158002438 has 32 divisors (see below), whose sum is σ = 270563328. Its totient is φ = 68558400.

The previous prime is 158002409. The next prime is 158002451. The reversal of 158002438 is 834200851.

158002438 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40531 + ... + 44257.

It is an arithmetic number, because the mean of its divisors is an integer number (8455104).

Almost surely, 2^158002438 is an apocalyptic number.

158002438 is a deficient number, since it is larger than the sum of its proper divisors (112560890).

158002438 is a wasteful number, since it uses less digits than its factorization.

158002438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3828.

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

The square root of 158002438 is about 12569.9020680354. The cubic root of 158002438 is about 540.6147981770.

The spelling of 158002438 in words is "one hundred fifty-eight million, two thousand, four hundred thirty-eight".