45515455 has 16 divisors (see below), whose sum is σ = 56246400. Its totient is φ = 35343360.

The previous prime is 45515447. The next prime is 45515461. The reversal of 45515455 is 55451554.

It is not a de Polignac number, because 45515455 - 2³ = 45515447 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 45515455.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23151 + ... + 25039.

It is an arithmetic number, because the mean of its divisors is an integer number (3515400).

Almost surely, 2^45515455 is an apocalyptic number.

45515455 is a deficient number, since it is larger than the sum of its proper divisors (10730945).

45515455 is a wasteful number, since it uses less digits than its factorization.

45515455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2034.

The product of its digits is 50000, while the sum is 34.

The square root of 45515455 is about 6746.5142851698. The cubic root of 45515455 is about 357.0422654989.

The spelling of 45515455 in words is "forty-five million, five hundred fifteen thousand, four hundred fifty-five".