45215043 has 16 divisors (see below), whose sum is σ = 61391616. Its totient is φ = 29596320.

The previous prime is 45214993. The next prime is 45215099. The reversal of 45215043 is 34051254.

It is not a de Polignac number, because 45215043 - 2⁸ = 45214787 is a prime.

It is a super-2 number, since 2×45215043² = 4088800226983698, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (45219043) 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, 39921 + ... + 41037.

It is an arithmetic number, because the mean of its divisors is an integer number (3836976).

Almost surely, 2^45215043 is an apocalyptic number.

45215043 is a deficient number, since it is larger than the sum of its proper divisors (16176573).

45215043 is a wasteful number, since it uses less digits than its factorization.

45215043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1354.

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

The square root of 45215043 is about 6724.2131881730. The cubic root of 45215043 is about 356.2550118101.

Adding to 45215043 its reverse (34051254), we get a palindrome (79266297).

The spelling of 45215043 in words is "forty-five million, two hundred fifteen thousand, forty-three".