45918031 has 8 divisors (see below), whose sum is σ = 46364400. Its totient is φ = 45474240.

The previous prime is 45918017. The next prime is 45918077. The reversal of 45918031 is 13081954.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 45918031 - 2⁷ = 45917903 is a prime.

It is a super-2 number, since 2×45918031² = 4216931141833922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45917984 and 45918002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45918091) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56355 + ... + 57163.

It is an arithmetic number, because the mean of its divisors is an integer number (5795550).

Almost surely, 2^45918031 is an apocalyptic number.

45918031 is a deficient number, since it is larger than the sum of its proper divisors (446369).

45918031 is a wasteful number, since it uses less digits than its factorization.

45918031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1289.

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 45918031 is about 6776.2844538877. The cubic root of 45918031 is about 358.0918353084.

Adding to 45918031 its reverse (13081954), we get a palindrome (58999985).

The spelling of 45918031 in words is "forty-five million, nine hundred eighteen thousand, thirty-one".