45475131 has 16 divisors (see below), whose sum is σ = 66196256. Its totient is φ = 27599616.

The previous prime is 45475091. The next prime is 45475141. The reversal of 45475131 is 13157454.

It is not a de Polignac number, because 45475131 - 2¹⁵ = 45442363 is a prime.

It is a super-2 number, since 2×45475131² = 4135975078934322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45475141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5140 + ... + 10833.

It is an arithmetic number, because the mean of its divisors is an integer number (4137266).

Almost surely, 2^45475131 is an apocalyptic number.

45475131 is a deficient number, since it is larger than the sum of its proper divisors (20721125).

45475131 is a wasteful number, since it uses less digits than its factorization.

45475131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16062.

The product of its digits is 8400, while the sum is 30.

The square root of 45475131 is about 6743.5251167323. The cubic root of 45475131 is about 356.9367949055.

The spelling of 45475131 in words is "forty-five million, four hundred seventy-five thousand, one hundred thirty-one".