452942978 has 8 divisors (see below), whose sum is σ = 679599180. Its totient is φ = 226409920.

The previous prime is 452942977. The next prime is 452943047. The reversal of 452942978 is 879249254.

It can be written as a sum of positive squares in 2 ways, for example, as 334633849 + 118309129 = 18293^2 + 10877^2 .

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (452942977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20963 + ... + 36678.

Almost surely, 2^452942978 is an apocalyptic number.

452942978 is a deficient number, since it is larger than the sum of its proper divisors (226656202).

452942978 is a wasteful number, since it uses less digits than its factorization.

452942978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61572.

The product of its digits is 1451520, while the sum is 50.

The square root of 452942978 is about 21282.4570480008. The cubic root of 452942978 is about 767.9763458879.

The spelling of 452942978 in words is "four hundred fifty-two million, nine hundred forty-two thousand, nine hundred seventy-eight".