45903431 has 8 divisors (see below), whose sum is σ = 52642464. Its totient is φ = 39209760.

The previous prime is 45903427. The next prime is 45903437. The reversal of 45903431 is 13430954.

45903431 = T₃₆₁₈ + T₃₆₁₉ + ... + T₃₆₂₄.

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 45903431 - 2² = 45903427 is a prime.

It is a super-2 number, since 2×45903431² = 4214249955143522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 45903394 and 45903403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45903437) 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, 9140 + ... + 13241.

It is an arithmetic number, because the mean of its divisors is an integer number (6580308).

Almost surely, 2^45903431 is an apocalyptic number.

45903431 is a deficient number, since it is larger than the sum of its proper divisors (6739033).

45903431 is a wasteful number, since it uses less digits than its factorization.

45903431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22681.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 45903431 is about 6775.2070817061. The cubic root of 45903431 is about 358.0538785778.

The spelling of 45903431 in words is "forty-five million, nine hundred three thousand, four hundred thirty-one".