45530031 has 8 divisors (see below), whose sum is σ = 60839680. Its totient is φ = 30286872.

The previous prime is 45530011. The next prime is 45530033. The reversal of 45530031 is 13003554.

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

It is not a de Polignac number, because 45530031 - 2¹⁰ = 45529007 is a prime.

It is a super-2 number, since 2×45530031² = 4145967445721922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45530033) 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, 15001 + ... + 17778.

It is an arithmetic number, because the mean of its divisors is an integer number (7604960).

Almost surely, 2^45530031 is an apocalyptic number.

45530031 is a deficient number, since it is larger than the sum of its proper divisors (15309649).

45530031 is a wasteful number, since it uses less digits than its factorization.

45530031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33245.

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 45530031 is about 6747.5944602503. The cubic root of 45530031 is about 357.0803748446.

Adding to 45530031 its reverse (13003554), we get a palindrome (58533585).

The spelling of 45530031 in words is "forty-five million, five hundred thirty thousand, thirty-one".