157199554 has 16 divisors (see below), whose sum is σ = 241093728. Its totient is φ = 76852512.

The previous prime is 157199551. The next prime is 157199557. The reversal of 157199554 is 455991751.

157199554 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (157199551) and next prime (157199557).

It is not an unprimeable number, because it can be changed into a prime (157199551) 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, 14077 + ... + 22639.

It is an arithmetic number, because the mean of its divisors is an integer number (15068358).

Almost surely, 2^157199554 is an apocalyptic number.

157199554 is a deficient number, since it is larger than the sum of its proper divisors (83894174).

157199554 is a wasteful number, since it uses less digits than its factorization.

157199554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8769.

The product of its digits is 283500, while the sum is 46.

The square root of 157199554 is about 12537.9246289009. The cubic root of 157199554 is about 539.6975375221.

The spelling of 157199554 in words is "one hundred fifty-seven million, one hundred ninety-nine thousand, five hundred fifty-four".