45463215 has 16 divisors (see below), whose sum is σ = 83132928. Its totient is φ = 20783136.

The previous prime is 45463211. The next prime is 45463237. The reversal of 45463215 is 51236454.

It is not a de Polignac number, because 45463215 - 2² = 45463211 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45463211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 216387 + ... + 216596.

It is an arithmetic number, because the mean of its divisors is an integer number (5195808).

Almost surely, 2^45463215 is an apocalyptic number.

45463215 is a deficient number, since it is larger than the sum of its proper divisors (37669713).

45463215 is a wasteful number, since it uses less digits than its factorization.

45463215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432998.

The product of its digits is 14400, while the sum is 30.

The square root of 45463215 is about 6742.6415446767. The cubic root of 45463215 is about 356.9056157364.

Adding to 45463215 its reverse (51236454), we get a palindrome (96699669).

The spelling of 45463215 in words is "forty-five million, four hundred sixty-three thousand, two hundred fifteen".