450157578 has 16 divisors (see below), whose sum is σ = 969570336. Its totient is φ = 138510000.

The previous prime is 450157559. The next prime is 450157597. The reversal of 450157578 is 875751054.

It is an interprime number because it is at equal distance from previous prime (450157559) and next prime (450157597).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2885548 + ... + 2885703.

It is an arithmetic number, because the mean of its divisors is an integer number (60598146).

Almost surely, 2^450157578 is an apocalyptic number.

450157578 is an abundant number, since it is smaller than the sum of its proper divisors (519412758).

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

450157578 is a wasteful number, since it uses less digits than its factorization.

450157578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5771269.

The product of its (nonzero) digits is 196000, while the sum is 42.

The square root of 450157578 is about 21216.9172595832. The cubic root of 450157578 is about 766.3988689977.

The spelling of 450157578 in words is "four hundred fifty million, one hundred fifty-seven thousand, five hundred seventy-eight".