157289118 has 48 divisors (see below), whose sum is σ = 369630864. Its totient is φ = 44486400.

The previous prime is 157289101. The next prime is 157289131. The reversal of 157289118 is 811982751.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 157289118.

It is a congruent number.

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 in 23 ways as a sum of consecutive naturals, for example, 27046 + ... + 32342.

It is an arithmetic number, because the mean of its divisors is an integer number (7700643).

Almost surely, 2^157289118 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 157289118, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (184815432).

157289118 is an abundant number, since it is smaller than the sum of its proper divisors (212341746).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

157289118 is a wasteful number, since it uses less digits than its factorization.

157289118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5417 (or 5410 counting only the distinct ones).

The product of its digits is 40320, while the sum is 42.

The square root of 157289118 is about 12541.4958437979. The cubic root of 157289118 is about 539.8000151095.

The spelling of 157289118 in words is "one hundred fifty-seven million, two hundred eighty-nine thousand, one hundred eighteen".