158240038 has 16 divisors (see below), whose sum is σ = 259413840. Its totient is φ = 71795200.

The previous prime is 158240021. The next prime is 158240041. The reversal of 158240038 is 830042851.

158240038 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 158239991 and 158240009.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6198 + ... + 18838.

It is an arithmetic number, because the mean of its divisors is an integer number (16213365).

Almost surely, 2^158240038 is an apocalyptic number.

158240038 is a deficient number, since it is larger than the sum of its proper divisors (101173802).

158240038 is a wasteful number, since it uses less digits than its factorization.

158240038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13223.

The product of its (nonzero) digits is 7680, while the sum is 31.

The square root of 158240038 is about 12579.3496652251. The cubic root of 158240038 is about 540.8856499958.

Adding to 158240038 its reverse (830042851), we get a palindrome (988282889).

The spelling of 158240038 in words is "one hundred fifty-eight million, two hundred forty thousand, thirty-eight".