157084973 has 4 divisors (see below), whose sum is σ = 157113660. Its totient is φ = 157056288.

The previous prime is 157084969. The next prime is 157084979. The reversal of 157084973 is 379480751.

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 153710404 + 3374569 = 12398^2 + 1837^2 .

It is a cyclic number.

It is not a de Polignac number, because 157084973 - 2² = 157084969 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 (157084979) 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, 3290 + ... + 18027.

It is an arithmetic number, because the mean of its divisors is an integer number (39278415).

Almost surely, 2^157084973 is an apocalyptic number.

It is an amenable number.

157084973 is a deficient number, since it is larger than the sum of its proper divisors (28687).

157084973 is an equidigital number, since it uses as much as digits as its factorization.

157084973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28686.

The product of its (nonzero) digits is 211680, while the sum is 44.

The square root of 157084973 is about 12533.3544193085. The cubic root of 157084973 is about 539.5663791469.

The spelling of 157084973 in words is "one hundred fifty-seven million, eighty-four thousand, nine hundred seventy-three".