157156498 has 4 divisors (see below), whose sum is σ = 235734750. Its totient is φ = 78578248.

The previous prime is 157156459. The next prime is 157156499. The reversal of 157156498 is 894651751.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 155176849 + 1979649 = 12457^2 + 1407^2 .

It is not an unprimeable number, because it can be changed into a prime (157156499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39289123 + ... + 39289126.

Almost surely, 2^157156498 is an apocalyptic number.

157156498 is a deficient number, since it is larger than the sum of its proper divisors (78578252).

157156498 is an equidigital number, since it uses as much as digits as its factorization.

157156498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78578251.

The product of its digits is 302400, while the sum is 46.

The square root of 157156498 is about 12536.2074807336. The cubic root of 157156498 is about 539.6482597338.

The spelling of 157156498 in words is "one hundred fifty-seven million, one hundred fifty-six thousand, four hundred ninety-eight".