45232015 has 4 divisors (see below), whose sum is σ = 54278424. Its totient is φ = 36185608.

The previous prime is 45232013. The next prime is 45232021. The reversal of 45232015 is 51023254.

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 45232015 - 2¹ = 45232013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45232013) 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, 4523197 + ... + 4523206.

It is an arithmetic number, because the mean of its divisors is an integer number (13569606).

Almost surely, 2^45232015 is an apocalyptic number.

45232015 is a deficient number, since it is larger than the sum of its proper divisors (9046409).

45232015 is an equidigital number, since it uses as much as digits as its factorization.

45232015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9046408.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 45232015 is about 6725.4750761563. The cubic root of 45232015 is about 356.2995810750.

Adding to 45232015 its reverse (51023254), we get a palindrome (96255269).

The spelling of 45232015 in words is "forty-five million, two hundred thirty-two thousand, fifteen".