157299154 has 4 divisors (see below), whose sum is σ = 235948734. Its totient is φ = 78649576.

The previous prime is 157299097. The next prime is 157299169. The reversal of 157299154 is 451992751.

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., 128300929 + 28998225 = 11327^2 + 5385^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 157299154.

It is an unprimeable number.

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, 39324787 + ... + 39324790.

Almost surely, 2^157299154 is an apocalyptic number.

157299154 is a deficient number, since it is larger than the sum of its proper divisors (78649580).

157299154 is an equidigital number, since it uses as much as digits as its factorization.

157299154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78649579.

The product of its digits is 113400, while the sum is 43.

The square root of 157299154 is about 12541.8959491777. The cubic root of 157299154 is about 539.8114957040.

The spelling of 157299154 in words is "one hundred fifty-seven million, two hundred ninety-nine thousand, one hundred fifty-four".