157651562 has 4 divisors (see below), whose sum is σ = 236477346. Its totient is φ = 78825780.

The previous prime is 157651541. The next prime is 157651573. The reversal of 157651562 is 265156751.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 265156751 = 47 ⋅5641633.

It can be written as a sum of positive squares in only one way, i.e., 138980521 + 18671041 = 11789^2 + 4321^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 39412889 + ... + 39412892.

Almost surely, 2^157651562 is an apocalyptic number.

157651562 is a deficient number, since it is larger than the sum of its proper divisors (78825784).

157651562 is an equidigital number, since it uses as much as digits as its factorization.

157651562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78825783.

The product of its digits is 63000, while the sum is 38.

The square root of 157651562 is about 12555.9373206464. The cubic root of 157651562 is about 540.2143205055.

The spelling of 157651562 in words is "one hundred fifty-seven million, six hundred fifty-one thousand, five hundred sixty-two".