100057457 has 4 divisors (see below), whose sum is σ = 100083060. Its totient is φ = 100031856.

The previous prime is 100057421. The next prime is 100057459. The reversal of 100057457 is 754750001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 82156096 + 17901361 = 9064^2 + 4231^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100057457 is a prime.

It is a super-2 number, since 2×100057457² = 20022989402613698, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100057459) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5582 + ... + 15207.

It is an arithmetic number, because the mean of its divisors is an integer number (25020765).

Almost surely, 2^100057457 is an apocalyptic number.

It is an amenable number.

100057457 is a deficient number, since it is larger than the sum of its proper divisors (25603).

100057457 is an equidigital number, since it uses as much as digits as its factorization.

100057457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25602.

The product of its (nonzero) digits is 4900, while the sum is 29.

The square root of 100057457 is about 10002.8724374552. The cubic root of 100057457 is about 464.2477635973.

The spelling of 100057457 in words is "one hundred million, fifty-seven thousand, four hundred fifty-seven".