157919349 has 32 divisors (see below), whose sum is σ = 247864320. Its totient is φ = 87558912.

The previous prime is 157919339. The next prime is 157919351. The reversal of 157919349 is 943919751.

157919349 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 157919349 - 2⁸ = 157919093 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 157919298 and 157919307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157919339) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 161149 + ... + 162125.

It is an arithmetic number, because the mean of its divisors is an integer number (7745760).

Almost surely, 2^157919349 is an apocalyptic number.

It is an amenable number.

157919349 is a deficient number, since it is larger than the sum of its proper divisors (89944971).

157919349 is a wasteful number, since it uses less digits than its factorization.

157919349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1209.

The product of its digits is 306180, while the sum is 48.

The square root of 157919349 is about 12566.5965559494. The cubic root of 157919349 is about 540.5200168986.

The spelling of 157919349 in words is "one hundred fifty-seven million, nine hundred nineteen thousand, three hundred forty-nine".