452139578 has 8 divisors (see below), whose sum is σ = 739864800. Its totient is φ = 205517980.

The previous prime is 452139553. The next prime is 452139607. The reversal of 452139578 is 875931254.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10275878 + ... + 10275921.

It is an arithmetic number, because the mean of its divisors is an integer number (92483100).

Almost surely, 2^452139578 is an apocalyptic number.

452139578 is a deficient number, since it is larger than the sum of its proper divisors (287725222).

452139578 is a wasteful number, since it uses less digits than its factorization.

452139578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20551812.

The product of its digits is 302400, while the sum is 44.

The square root of 452139578 is about 21263.5739705253. The cubic root of 452139578 is about 767.5220154465.

The spelling of 452139578 in words is "four hundred fifty-two million, one hundred thirty-nine thousand, five hundred seventy-eight".