157001473 has 8 divisors (see below), whose sum is σ = 165009600. Its totient is φ = 149091888.

The previous prime is 157001461. The next prime is 157001491. The reversal of 157001473 is 374100751.

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

It is a de Polignac number, because none of the positive numbers 2^k-157001473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (157002473) 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 7 ways as a sum of consecutive naturals, for example, 21358 + ... + 27751.

It is an arithmetic number, because the mean of its divisors is an integer number (20626200).

Almost surely, 2^157001473 is an apocalyptic number.

It is an amenable number.

157001473 is a deficient number, since it is larger than the sum of its proper divisors (8008127).

157001473 is a wasteful number, since it uses less digits than its factorization.

157001473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49271.

The product of its (nonzero) digits is 2940, while the sum is 28.

The square root of 157001473 is about 12530.0228651028. The cubic root of 157001473 is about 539.4707583351.

The spelling of 157001473 in words is "one hundred fifty-seven million, one thousand, four hundred seventy-three".