452157698 has 8 divisors (see below), whose sum is σ = 681751308. Its totient is φ = 224907264.

The previous prime is 452157697. The next prime is 452157701. The reversal of 452157698 is 896751254.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 369293089 + 82864609 = 19217^2 + 9103^2 .

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

It is not an unprimeable number, because it can be changed into a prime (452157691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 585311 + ... + 586082.

Almost surely, 2^452157698 is an apocalyptic number.

452157698 is a deficient number, since it is larger than the sum of its proper divisors (229593610).

452157698 is a wasteful number, since it uses less digits than its factorization.

452157698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1171588.

The product of its digits is 604800, while the sum is 47.

The square root of 452157698 is about 21264.0000470278. Note that the first 4 decimals coincide. The cubic root of 452157698 is about 767.5322684110.

The spelling of 452157698 in words is "four hundred fifty-two million, one hundred fifty-seven thousand, six hundred ninety-eight".