158237401 has 8 divisors (see below), whose sum is σ = 188705664. Its totient is φ = 129734880.

The previous prime is 158237399. The next prime is 158237413. The reversal of 158237401 is 104732851.

158237401 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 a cyclic number.

It is not a de Polignac number, because 158237401 - 2¹ = 158237399 is a prime.

It is not an unprimeable number, because it can be changed into a prime (158237441) 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, 491260 + ... + 491581.

It is an arithmetic number, because the mean of its divisors is an integer number (23588208).

Almost surely, 2^158237401 is an apocalyptic number.

It is an amenable number.

158237401 is a deficient number, since it is larger than the sum of its proper divisors (30468263).

158237401 is an equidigital number, since it uses as much as digits as its factorization.

158237401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 982871.

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 158237401 is about 12579.2448501490. The cubic root of 158237401 is about 540.8826454394.

It can be divided in two parts, 1582 and 37401, that added together give a palindrome (38983).

The spelling of 158237401 in words is "one hundred fifty-eight million, two hundred thirty-seven thousand, four hundred one".