45015231 has 8 divisors (see below), whose sum is σ = 60842800. Its totient is φ = 29598912.

The previous prime is 45015169. The next prime is 45015239. The reversal of 45015231 is 13251054.

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

It is not a de Polignac number, because 45015231 - 2⁹ = 45014719 is a prime.

It is a super-2 number, since 2×45015231² = 4052742043966722, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 11.

It is a junction number, because it is equal to n+sod(n) for n = 45015198 and 45015207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45015239) 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, 102556 + ... + 102993.

It is an arithmetic number, because the mean of its divisors is an integer number (7605350).

Almost surely, 2^45015231 is an apocalyptic number.

45015231 is a deficient number, since it is larger than the sum of its proper divisors (15827569).

45015231 is a wasteful number, since it uses less digits than its factorization.

45015231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205625.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 45015231 is about 6709.3390881666. The cubic root of 45015231 is about 355.7294555830.

Adding to 45015231 its reverse (13251054), we get a palindrome (58266285).

The spelling of 45015231 in words is "forty-five million, fifteen thousand, two hundred thirty-one".