45255558 has 8 divisors (see below), whose sum is σ = 90511128. Its totient is φ = 15085184.

The previous prime is 45255557. The next prime is 45255563. The reversal of 45255558 is 85555254.

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

45255558 is an admirable number.

It is a super-3 number, since 3×45255558³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45255557) 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, 3771291 + ... + 3771302.

It is an arithmetic number, because the mean of its divisors is an integer number (11313891).

Almost surely, 2^45255558 is an apocalyptic number.

45255558 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45255558 is a wasteful number, since it uses less digits than its factorization.

45255558 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7542598.

The product of its digits is 200000, while the sum is 39.

The square root of 45255558 is about 6727.2251337383. The cubic root of 45255558 is about 356.3613876376.

The spelling of 45255558 in words is "forty-five million, two hundred fifty-five thousand, five hundred fifty-eight".