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145340011 = 505928729
BaseRepresentation
bin10001010100110…
…11011001101011
3101010111001000101
420222123121223
5244201340021
622231050231
73413240545
oct1052333153
9333431011
10145340011
117504a113
1240810977
1324159b0b
1415434695
15cb5da91
hex8a9b66b

145340011 has 4 divisors (see below), whose sum is σ = 145373800. Its totient is φ = 145306224.

The previous prime is 145340009. The next prime is 145340017. The reversal of 145340011 is 110043541.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 145340011 - 21 = 145340009 is a prime.

It is a super-2 number, since 2×1453400112 = 42247437594960242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145340017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9306 + ... + 19423.

It is an arithmetic number, because the mean of its divisors is an integer number (36343450).

Almost surely, 2145340011 is an apocalyptic number.

145340011 is a deficient number, since it is larger than the sum of its proper divisors (33789).

145340011 is an equidigital number, since it uses as much as digits as its factorization.

145340011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33788.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 145340011 is about 12055.7045003600. The cubic root of 145340011 is about 525.7691052415.

Adding to 145340011 its reverse (110043541), we get a palindrome (255383552).

The spelling of 145340011 in words is "one hundred forty-five million, three hundred forty thousand, eleven".

Divisors: 1 5059 28729 145340011