157057473 has 8 divisors (see below), whose sum is σ = 210816000. Its totient is φ = 104001968.

The previous prime is 157057427. The next prime is 157057487. The reversal of 157057473 is 374750751.

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

It is a cyclic number.

It is not a de Polignac number, because 157057473 - 2⁹ = 157056961 is a prime.

It is not an unprimeable number, because it can be changed into a prime (157057573) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 175233 + ... + 176126.

It is an arithmetic number, because the mean of its divisors is an integer number (26352000).

Almost surely, 2^157057473 is an apocalyptic number.

It is an amenable number.

157057473 is a deficient number, since it is larger than the sum of its proper divisors (53758527).

157057473 is a wasteful number, since it uses less digits than its factorization.

157057473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 351511.

The product of its (nonzero) digits is 102900, while the sum is 39.

The square root of 157057473 is about 12532.2572986673. The cubic root of 157057473 is about 539.5348910058.

The spelling of 157057473 in words is "one hundred fifty-seven million, fifty-seven thousand, four hundred seventy-three".