45402555 has 16 divisors (see below), whose sum is σ = 79248384. Its totient is φ = 22013280.

The previous prime is 45402551. The next prime is 45402557. The reversal of 45402555 is 55520454.

It is not a de Polignac number, because 45402555 - 2² = 45402551 is a prime.

It is a super-2 number, since 2×45402555² = 4122784001056050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (45402551) 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, 137419 + ... + 137748.

It is an arithmetic number, because the mean of its divisors is an integer number (4953024).

Almost surely, 2^45402555 is an apocalyptic number.

45402555 is a deficient number, since it is larger than the sum of its proper divisors (33845829).

45402555 is a wasteful number, since it uses less digits than its factorization.

45402555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275186.

The product of its (nonzero) digits is 20000, while the sum is 30.

The square root of 45402555 is about 6738.1418061659. The cubic root of 45402555 is about 356.7468094671.

The spelling of 45402555 in words is "forty-five million, four hundred two thousand, five hundred fifty-five".