157125319 has 8 divisors (see below), whose sum is σ = 172080720. Its totient is φ = 142579776.

The previous prime is 157125313. The next prime is 157125341. The reversal of 157125319 is 913521751.

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 157125319 - 2¹⁹ = 156601031 is a prime.

It is a super-2 number, since 2×157125319² = 49376731741703522, 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 (157125313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101662 + ... + 103195.

It is an arithmetic number, because the mean of its divisors is an integer number (21510090).

Almost surely, 2^157125319 is an apocalyptic number.

157125319 is a deficient number, since it is larger than the sum of its proper divisors (14955401).

157125319 is a wasteful number, since it uses less digits than its factorization.

157125319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204929.

The product of its digits is 9450, while the sum is 34.

The square root of 157125319 is about 12534.9638611366. The cubic root of 157125319 is about 539.6125696072.

The spelling of 157125319 in words is "one hundred fifty-seven million, one hundred twenty-five thousand, three hundred nineteen".