45156969 has 36 divisors (see below), whose sum is σ = 77079600. Its totient is φ = 25253280.

The previous prime is 45156961. The next prime is 45157033. The reversal of 45156969 is 96965154.

It is a happy number.

It is not a de Polignac number, because 45156969 - 2³ = 45156961 is a prime.

It is a super-2 number, since 2×45156969² = 4078303698533922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (45156961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 15382 + ... + 18080.

It is an arithmetic number, because the mean of its divisors is an integer number (2141100).

Almost surely, 2^45156969 is an apocalyptic number.

It is an amenable number.

45156969 is a deficient number, since it is larger than the sum of its proper divisors (31922631).

45156969 is a wasteful number, since it uses less digits than its factorization.

45156969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2742 (or 2726 counting only the distinct ones).

The product of its digits is 291600, while the sum is 45.

The square root of 45156969 is about 6719.8935259422. The cubic root of 45156969 is about 356.1024223458.

The spelling of 45156969 in words is "forty-five million, one hundred fifty-six thousand, nine hundred sixty-nine".