45625231 has 8 divisors (see below), whose sum is σ = 46512000. Its totient is φ = 44742360.

The previous prime is 45625201. The next prime is 45625241. The reversal of 45625231 is 13252654.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45625231 is a prime.

It is a super-2 number, since 2×45625231² = 4163323407606722, 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 45625231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45625201) 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, 34696 + ... + 35986.

It is an arithmetic number, because the mean of its divisors is an integer number (5814000).

Almost surely, 2^45625231 is an apocalyptic number.

45625231 is a deficient number, since it is larger than the sum of its proper divisors (886769).

45625231 is a wasteful number, since it uses less digits than its factorization.

45625231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1949.

The product of its digits is 7200, while the sum is 28.

The square root of 45625231 is about 6754.6451424187. The cubic root of 45625231 is about 357.3290779927.

Adding to 45625231 its reverse (13252654), we get a palindrome (58877885).

The spelling of 45625231 in words is "forty-five million, six hundred twenty-five thousand, two hundred thirty-one".