103457057 has 18 divisors (see below), whose sum is σ = 116015634. Its totient is φ = 92183520.

The previous prime is 103457047. The next prime is 103457089. The reversal of 103457057 is 750754301.

It can be written as a sum of positive squares in only one way, i.e., 91374481 + 12082576 = 9559^2 + 3476^2 .

It is not a de Polignac number, because 103457057 - 2¹² = 103452961 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103457017) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 755093 + ... + 755229.

It is an arithmetic number, because the mean of its divisors is an integer number (6445313).

Almost surely, 2^103457057 is an apocalyptic number.

It is an amenable number.

103457057 is a deficient number, since it is larger than the sum of its proper divisors (12558577).

103457057 is an equidigital number, since it uses as much as digits as its factorization.

103457057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317 (or 227 counting only the distinct ones).

The product of its (nonzero) digits is 14700, while the sum is 32.

The square root of 103457057 is about 10171.3842224154. The cubic root of 103457057 is about 469.4471498596.

The spelling of 103457057 in words is "one hundred three million, four hundred fifty-seven thousand, fifty-seven".