238843025157 has 32 divisors (see below), whose sum is σ = 352775130624. Its totient is φ = 142519291200.

The previous prime is 238843025143. The next prime is 238843025209. The reversal of 238843025157 is 751520348832.

It is not a de Polignac number, because 238843025157 - 2⁶ = 238843025093 is a prime.

It is a super-2 number, since 2×238843025157² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238843025137) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4419463 + ... + 4473179.

It is an arithmetic number, because the mean of its divisors is an integer number (11024222832).

Almost surely, 2^238843025157 is an apocalyptic number.

It is an amenable number.

238843025157 is a deficient number, since it is larger than the sum of its proper divisors (113932105467).

238843025157 is a wasteful number, since it uses less digits than its factorization.

238843025157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55809.

The product of its (nonzero) digits is 1612800, while the sum is 48.

The spelling of 238843025157 in words is "two hundred thirty-eight billion, eight hundred forty-three million, twenty-five thousand, one hundred fifty-seven".