45213455 has 16 divisors (see below), whose sum is σ = 65655360. Its totient is φ = 29179392.

The previous prime is 45213451. The next prime is 45213457. The reversal of 45213455 is 55431254.

It is a cyclic number.

It is not a de Polignac number, because 45213455 - 2² = 45213451 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45213451) 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, 37400 + ... + 38589.

It is an arithmetic number, because the mean of its divisors is an integer number (4103460).

Almost surely, 2^45213455 is an apocalyptic number.

45213455 is a deficient number, since it is larger than the sum of its proper divisors (20441905).

45213455 is a wasteful number, since it uses less digits than its factorization.

45213455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76018.

The product of its digits is 12000, while the sum is 29.

The square root of 45213455 is about 6724.0951064065. The cubic root of 45213455 is about 356.2508410773.

The spelling of 45213455 in words is "forty-five million, two hundred thirteen thousand, four hundred fifty-five".