45432015 has 16 divisors (see below), whose sum is σ = 75852288. Its totient is φ = 23176736.

The previous prime is 45432001. The next prime is 45432017. The reversal of 45432015 is 51023454.

It is a cyclic number.

It is not a de Polignac number, because 45432015 - 2¹⁰ = 45430991 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45432017) 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, 65499 + ... + 66188.

It is an arithmetic number, because the mean of its divisors is an integer number (4740768).

Almost surely, 2^45432015 is an apocalyptic number.

45432015 is a deficient number, since it is larger than the sum of its proper divisors (30420273).

45432015 is a wasteful number, since it uses less digits than its factorization.

45432015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131718.

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

The square root of 45432015 is about 6740.3275142978. The cubic root of 45432015 is about 356.8239526197.

Adding to 45432015 its reverse (51023454), we get a palindrome (96455469).

The spelling of 45432015 in words is "forty-five million, four hundred thirty-two thousand, fifteen".