157863151 has 2 divisors, whose sum is σ = 157863152. Its totient is φ = 157863150.

The previous prime is 157863137. The next prime is 157863179. The reversal of 157863151 is 151368751.

It is a weak prime.

It is an emirp because it is prime and its reverse (151368751) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 157863151 - 2⁵ = 157863119 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 157863151.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (157863451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78931575 + 78931576.

It is an arithmetic number, because the mean of its divisors is an integer number (78931576).

Almost surely, 2^157863151 is an apocalyptic number.

157863151 is a deficient number, since it is larger than the sum of its proper divisors (1).

157863151 is an equidigital number, since it uses as much as digits as its factorization.

157863151 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25200, while the sum is 37.

The square root of 157863151 is about 12564.3603498149. The cubic root of 157863151 is about 540.4558918709.

The spelling of 157863151 in words is "one hundred fifty-seven million, eight hundred sixty-three thousand, one hundred fifty-one".