45232215 has 16 divisors (see below), whose sum is σ = 82710528. Its totient is φ = 20677536.

The previous prime is 45232211. The next prime is 45232273. The reversal of 45232215 is 51223254.

It is not a de Polignac number, because 45232215 - 2² = 45232211 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45232211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 215287 + ... + 215496.

It is an arithmetic number, because the mean of its divisors is an integer number (5169408).

Almost surely, 2^45232215 is an apocalyptic number.

45232215 is a deficient number, since it is larger than the sum of its proper divisors (37478313).

45232215 is a wasteful number, since it uses less digits than its factorization.

45232215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430798.

The product of its digits is 2400, while the sum is 24.

The square root of 45232215 is about 6725.4899449780. The cubic root of 45232215 is about 356.3001062179.

Adding to 45232215 its reverse (51223254), we get a palindrome (96455469).

The spelling of 45232215 in words is "forty-five million, two hundred thirty-two thousand, two hundred fifteen".