452002157 has 2 divisors, whose sum is σ = 452002158. Its totient is φ = 452002156.

The previous prime is 452002151. The next prime is 452002193. The reversal of 452002157 is 751200254.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 450670441 + 1331716 = 21229^2 + 1154^2 .

It is a cyclic number.

It is not a de Polignac number, because 452002157 - 2⁶ = 452002093 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (452002151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 226001078 + 226001079.

It is an arithmetic number, because the mean of its divisors is an integer number (226001079).

Almost surely, 2^452002157 is an apocalyptic number.

It is an amenable number.

452002157 is a deficient number, since it is larger than the sum of its proper divisors (1).

452002157 is an equidigital number, since it uses as much as digits as its factorization.

452002157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2800, while the sum is 26.

The square root of 452002157 is about 21260.3423537816. The cubic root of 452002157 is about 767.4442486568. Note that the first 3 decimals are identical.

The spelling of 452002157 in words is "four hundred fifty-two million, two thousand, one hundred fifty-seven".