45255623 has 8 divisors (see below), whose sum is σ = 51824160. Its totient is φ = 38712960.

The previous prime is 45255607. The next prime is 45255643. The reversal of 45255623 is 32655254.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 45255623 - 2⁴ = 45255607 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 45255623.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45255643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2558 + ... + 9851.

It is an arithmetic number, because the mean of its divisors is an integer number (6478020).

Almost surely, 2^45255623 is an apocalyptic number.

45255623 is a deficient number, since it is larger than the sum of its proper divisors (6568537).

45255623 is a wasteful number, since it uses less digits than its factorization.

45255623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12937.

The product of its digits is 36000, while the sum is 32.

The square root of 45255623 is about 6727.2299648518. The cubic root of 45255623 is about 356.3615582500.

The spelling of 45255623 in words is "forty-five million, two hundred fifty-five thousand, six hundred twenty-three".