45021455 has 16 divisors (see below), whose sum is σ = 56567808. Its totient is φ = 34356000.

The previous prime is 45021407. The next prime is 45021463. The reversal of 45021455 is 55412054.

It is not a de Polignac number, because 45021455 - 2⁶ = 45021391 is a prime.

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, 8960 + ... + 13050.

It is an arithmetic number, because the mean of its divisors is an integer number (3535488).

Almost surely, 2^45021455 is an apocalyptic number.

45021455 is a deficient number, since it is larger than the sum of its proper divisors (11546353).

45021455 is a wasteful number, since it uses less digits than its factorization.

45021455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4198.

The product of its (nonzero) digits is 4000, while the sum is 26.

The square root of 45021455 is about 6709.8029032156. The cubic root of 45021455 is about 355.7458497238.

The spelling of 45021455 in words is "forty-five million, twenty-one thousand, four hundred fifty-five".