45403831 has 4 divisors (see below), whose sum is σ = 49531464. Its totient is φ = 41276200.

The previous prime is 45403801. The next prime is 45403837. The reversal of 45403831 is 13830454.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 45403831 - 2¹³ = 45395639 is a prime.

It is a super-2 number, since 2×45403831² = 4123015738953122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 45403831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45403837) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2063800 + ... + 2063821.

It is an arithmetic number, because the mean of its divisors is an integer number (12382866).

Almost surely, 2^45403831 is an apocalyptic number.

45403831 is a deficient number, since it is larger than the sum of its proper divisors (4127633).

45403831 is a wasteful number, since it uses less digits than its factorization.

45403831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4127632.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 45403831 is about 6738.2364903586. The cubic root of 45403831 is about 356.7501514571.

The spelling of 45403831 in words is "forty-five million, four hundred three thousand, eight hundred thirty-one".