157537389 has 8 divisors (see below), whose sum is σ = 210887712. Its totient is φ = 104606000.

The previous prime is 157537349. The next prime is 157537399. The reversal of 157537389 is 983735751.

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

It is a cyclic number.

It is not a de Polignac number, because 157537389 - 2²¹ = 155440237 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157537349) 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, 103854 + ... + 105359.

It is an arithmetic number, because the mean of its divisors is an integer number (26360964).

Almost surely, 2^157537389 is an apocalyptic number.

It is an amenable number.

157537389 is a deficient number, since it is larger than the sum of its proper divisors (53350323).

157537389 is a wasteful number, since it uses less digits than its factorization.

157537389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209467.

The product of its digits is 793800, while the sum is 48.

The square root of 157537389 is about 12551.3899230324. The cubic root of 157537389 is about 540.0838792884.

The spelling of 157537389 in words is "one hundred fifty-seven million, five hundred thirty-seven thousand, three hundred eighty-nine".