45212455 has 4 divisors (see below), whose sum is σ = 54254952. Its totient is φ = 36169960.

The previous prime is 45212441. The next prime is 45212459. The reversal of 45212455 is 55421254.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 45212455 - 2⁷ = 45212327 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45212459) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4521241 + ... + 4521250.

It is an arithmetic number, because the mean of its divisors is an integer number (13563738).

Almost surely, 2^45212455 is an apocalyptic number.

45212455 is a deficient number, since it is larger than the sum of its proper divisors (9042497).

45212455 is an equidigital number, since it uses as much as digits as its factorization.

45212455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9042496.

The product of its digits is 8000, while the sum is 28.

The square root of 45212455 is about 6724.0207465474. The cubic root of 45212455 is about 356.2482146212.

The spelling of 45212455 in words is "forty-five million, two hundred twelve thousand, four hundred fifty-five".