157644113 has 8 divisors (see below), whose sum is σ = 172080480. Its totient is φ = 143225280.

The previous prime is 157644079. The next prime is 157644127. The reversal of 157644113 is 311446751.

157644113 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 157644113 - 2¹⁰ = 157643089 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 157644113.

It is not an unprimeable number, because it can be changed into a prime (157644163) 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, 20681 + ... + 27257.

It is an arithmetic number, because the mean of its divisors is an integer number (21510060).

Almost surely, 2^157644113 is an apocalyptic number.

It is an amenable number.

157644113 is a deficient number, since it is larger than the sum of its proper divisors (14436367).

157644113 is a wasteful number, since it uses less digits than its factorization.

157644113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8767.

The product of its digits is 10080, while the sum is 32.

The square root of 157644113 is about 12555.6406845688. The cubic root of 157644113 is about 540.2058120374.

The spelling of 157644113 in words is "one hundred fifty-seven million, six hundred forty-four thousand, one hundred thirteen".