157196542 has 16 divisors (see below), whose sum is σ = 241995600. Its totient is φ = 76538560.

The previous prime is 157196537. The next prime is 157196549. The reversal of 157196542 is 245691751.

It is a super-3 number, since 3×157196542³ (a number of 26 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 157196495 and 157196504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157196549) 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, 52584 + ... + 55492.

It is an arithmetic number, because the mean of its divisors is an integer number (15124725).

Almost surely, 2^157196542 is an apocalyptic number.

157196542 is a deficient number, since it is larger than the sum of its proper divisors (84799058).

157196542 is a wasteful number, since it uses less digits than its factorization.

157196542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3611.

The product of its digits is 75600, while the sum is 40.

The square root of 157196542 is about 12537.8045127526. The cubic root of 157196542 is about 539.6940905671.

The spelling of 157196542 in words is "one hundred fifty-seven million, one hundred ninety-six thousand, five hundred forty-two".