45125031 has 24 divisors (see below), whose sum is σ = 70326144. Its totient is φ = 25662000.

The previous prime is 45125027. The next prime is 45125033. The reversal of 45125031 is 13052154.

45125031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 45125031 - 2² = 45125027 is a prime.

It is a super-2 number, since 2×45125031² = 4072536845501922, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 45124989 and 45125007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45125033) 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 23 ways as a sum of consecutive naturals, for example, 36286 + ... + 37508.

It is an arithmetic number, because the mean of its divisors is an integer number (2930256).

Almost surely, 2^45125031 is an apocalyptic number.

45125031 is a deficient number, since it is larger than the sum of its proper divisors (25201113).

45125031 is a wasteful number, since it uses less digits than its factorization.

45125031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1491 (or 1484 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 45125031 is about 6717.5167286729. The cubic root of 45125031 is about 356.0184494710.

Adding to 45125031 its reverse (13052154), we get a palindrome (58177185).

The spelling of 45125031 in words is "forty-five million, one hundred twenty-five thousand, thirty-one".