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145120341 = 348373447
BaseRepresentation
bin10001010011001…
…01110001010101
3101010001212200110
420221211301111
5244122322331
622222233233
73411334242
oct1051456125
9333055613
10145120341
1174a0a073
1240725819
13240b0b32
14153b85c9
15cb18946
hex8a65c55

145120341 has 4 divisors (see below), whose sum is σ = 193493792. Its totient is φ = 96746892.

The previous prime is 145120333. The next prime is 145120343. The reversal of 145120341 is 143021541.

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 not a de Polignac number, because 145120341 - 23 = 145120333 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145120343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24186721 + ... + 24186726.

It is an arithmetic number, because the mean of its divisors is an integer number (48373448).

Almost surely, 2145120341 is an apocalyptic number.

It is an amenable number.

145120341 is a deficient number, since it is larger than the sum of its proper divisors (48373451).

145120341 is an equidigital number, since it uses as much as digits as its factorization.

145120341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48373450.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 145120341 is about 12046.5904304911. The cubic root of 145120341 is about 525.5040854555.

Adding to 145120341 its reverse (143021541), we get a palindrome (288141882).

The spelling of 145120341 in words is "one hundred forty-five million, one hundred twenty thousand, three hundred forty-one".

Divisors: 1 3 48373447 145120341