157386554 has 8 divisors (see below), whose sum is σ = 254239860. Its totient is φ = 72639936.

The previous prime is 157386553. The next prime is 157386563. The reversal of 157386554 is 455683751.

It can be written as a sum of positive squares in 2 ways, for example, as 155625625 + 1760929 = 12475^2 + 1327^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (157386553) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 3026639 + ... + 3026690.

Almost surely, 2^157386554 is an apocalyptic number.

157386554 is a deficient number, since it is larger than the sum of its proper divisors (96853306).

157386554 is a wasteful number, since it uses less digits than its factorization.

157386554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6053344.

The product of its digits is 504000, while the sum is 44.

The square root of 157386554 is about 12545.3797869973. The cubic root of 157386554 is about 539.9114555323.

The spelling of 157386554 in words is "one hundred fifty-seven million, three hundred eighty-six thousand, five hundred fifty-four".