157345177 has 4 divisors (see below), whose sum is σ = 171649296. Its totient is φ = 143041060.

The previous prime is 157345109. The next prime is 157345207. The reversal of 157345177 is 771543751.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 771543751 = 11 ⋅70140341.

It is a cyclic number.

It is not a de Polignac number, because 157345177 - 2¹⁵ = 157312409 is a prime.

It is a super-2 number, since 2×157345177² = 49515009450322658, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (157345477) 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 3 ways as a sum of consecutive naturals, for example, 7152043 + ... + 7152064.

It is an arithmetic number, because the mean of its divisors is an integer number (42912324).

Almost surely, 2^157345177 is an apocalyptic number.

It is an amenable number.

157345177 is a deficient number, since it is larger than the sum of its proper divisors (14304119).

157345177 is a wasteful number, since it uses less digits than its factorization.

157345177 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14304118.

The product of its digits is 102900, while the sum is 40.

The square root of 157345177 is about 12543.7305854359. The cubic root of 157345177 is about 539.8641370592.

The spelling of 157345177 in words is "one hundred fifty-seven million, three hundred forty-five thousand, one hundred seventy-seven".