45535231 has 8 divisors (see below), whose sum is σ = 55101600. Its totient is φ = 36734208.

The previous prime is 45535223. The next prime is 45535289. The reversal of 45535231 is 13253554.

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

It is not a de Polignac number, because 45535231 - 2³ = 45535223 is a prime.

It is a super-2 number, since 2×45535231² = 4146914524446722, 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 45535231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45532231) 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, 191206 + ... + 191443.

It is an arithmetic number, because the mean of its divisors is an integer number (6887700).

Almost surely, 2^45535231 is an apocalyptic number.

45535231 is a deficient number, since it is larger than the sum of its proper divisors (9566369).

45535231 is a wasteful number, since it uses less digits than its factorization.

45535231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382673.

The product of its digits is 9000, while the sum is 28.

The square root of 45535231 is about 6747.9797717539. The cubic root of 45535231 is about 357.0939684166.

Adding to 45535231 its reverse (13253554), we get a palindrome (58788785).

The spelling of 45535231 in words is "forty-five million, five hundred thirty-five thousand, two hundred thirty-one".