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145430130241 = 1113220920931
BaseRepresentation
bin1000011101110001001…
…1111010111001000001
3111220101021110002002001
42013130103322321001
54340320103131431
6150450520224001
713335615465544
oct2073423727101
9456337402061
10145430130241
1156749576390
122422830b001
1310938881506
14707889885b
153bb27dde61
hex21dc4fae41

145430130241 has 4 divisors (see below), whose sum is σ = 158651051184. Its totient is φ = 132209209300.

The previous prime is 145430130229. The next prime is 145430130247. The reversal of 145430130241 is 142031034541.

145430130241 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 145430130241 - 27 = 145430130113 is a prime.

It is a super-2 number, since 2×1454301302412 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145430130247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6610460455 + ... + 6610460476.

It is an arithmetic number, because the mean of its divisors is an integer number (39662762796).

Almost surely, 2145430130241 is an apocalyptic number.

145430130241 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

145430130241 is a deficient number, since it is larger than the sum of its proper divisors (13220920943).

145430130241 is a wasteful number, since it uses less digits than its factorization.

145430130241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13220920942.

The product of its (nonzero) digits is 5760, while the sum is 28.

Adding to 145430130241 its reverse (142031034541), we get a palindrome (287461164782).

The spelling of 145430130241 in words is "one hundred forty-five billion, four hundred thirty million, one hundred thirty thousand, two hundred forty-one".

Divisors: 1 11 13220920931 145430130241