107857157 has 4 divisors (see below), whose sum is σ = 107909676. Its totient is φ = 107804640.

The previous prime is 107857121. The next prime is 107857181. The reversal of 107857157 is 751758701.

It is a happy number.

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 92756161 + 15100996 = 9631^2 + 3886^2 .

It is a cyclic number.

It is not a de Polignac number, because 107857157 - 2⁶ = 107857093 is a prime.

It is a super-2 number, since 2×107857157² = 23266332632245298, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (107857457) 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, 23048 + ... + 27329.

It is an arithmetic number, because the mean of its divisors is an integer number (26977419).

Almost surely, 2^107857157 is an apocalyptic number.

It is an amenable number.

107857157 is a deficient number, since it is larger than the sum of its proper divisors (52519).

107857157 is an equidigital number, since it uses as much as digits as its factorization.

107857157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52518.

The product of its (nonzero) digits is 68600, while the sum is 41.

The square root of 107857157 is about 10385.4300344280. The cubic root of 107857157 is about 476.0102700630.

The spelling of 107857157 in words is "one hundred seven million, eight hundred fifty-seven thousand, one hundred fifty-seven".