157788051 has 8 divisors (see below), whose sum is σ = 210472080. Its totient is φ = 105148032.

The previous prime is 157788041. The next prime is 157788077. The reversal of 157788051 is 150887751.

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

It is not a de Polignac number, because 157788051 - 2¹⁰ = 157787027 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 157787994 and 157788012.

It is not an unprimeable number, because it can be changed into a prime (157788041) 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, 1450 + ... + 17823.

It is an arithmetic number, because the mean of its divisors is an integer number (26309010).

Almost surely, 2^157788051 is an apocalyptic number.

157788051 is a deficient number, since it is larger than the sum of its proper divisors (52684029).

157788051 is a wasteful number, since it uses less digits than its factorization.

157788051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22005.

The product of its (nonzero) digits is 78400, while the sum is 42.

The square root of 157788051 is about 12561.3713821382. The cubic root of 157788051 is about 540.3701748532.

The spelling of 157788051 in words is "one hundred fifty-seven million, seven hundred eighty-eight thousand, fifty-one".