157115798 has 16 divisors (see below), whose sum is σ = 269698464. Its totient is φ = 67246080.

The previous prime is 157115747. The next prime is 157115837. The reversal of 157115798 is 897511751.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4118 + ... + 18198.

It is an arithmetic number, because the mean of its divisors is an integer number (16856154).

Almost surely, 2^157115798 is an apocalyptic number.

157115798 is a deficient number, since it is larger than the sum of its proper divisors (112582666).

157115798 is a wasteful number, since it uses less digits than its factorization.

157115798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14887.

The product of its digits is 88200, while the sum is 44.

The square root of 157115798 is about 12534.5840776629. The cubic root of 157115798 is about 539.6016701225.

The spelling of 157115798 in words is "one hundred fifty-seven million, one hundred fifteen thousand, seven hundred ninety-eight".