45645455 has 16 divisors (see below), whose sum is σ = 58242240. Its totient is φ = 34265088.

The previous prime is 45645443. The next prime is 45645461. The reversal of 45645455 is 55454654.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45645455 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, 2351 + ... + 9839.

It is an arithmetic number, because the mean of its divisors is an integer number (3640140).

Almost surely, 2^45645455 is an apocalyptic number.

45645455 is a deficient number, since it is larger than the sum of its proper divisors (12596785).

45645455 is a wasteful number, since it uses less digits than its factorization.

45645455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7570.

The product of its digits is 240000, while the sum is 38.

The square root of 45645455 is about 6756.1420204137. The cubic root of 45645455 is about 357.3818671740.

The spelling of 45645455 in words is "forty-five million, six hundred forty-five thousand, four hundred fifty-five".