157057682 has 8 divisors (see below), whose sum is σ = 236888652. Its totient is φ = 78094800.

The previous prime is 157057673. The next prime is 157057717. The reversal of 157057682 is 286750751.

It can be written as a sum of positive squares in 2 ways, for example, as 91948921 + 65108761 = 9589^2 + 8069^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 216569 + ... + 217292.

Almost surely, 2^157057682 is an apocalyptic number.

157057682 is a deficient number, since it is larger than the sum of its proper divisors (79830970).

157057682 is a wasteful number, since it uses less digits than its factorization.

157057682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434044.

The product of its (nonzero) digits is 117600, while the sum is 41.

The square root of 157057682 is about 12532.2656371464. The cubic root of 157057682 is about 539.5351303295.

The spelling of 157057682 in words is "one hundred fifty-seven million, fifty-seven thousand, six hundred eighty-two".