158141990 has 32 divisors (see below), whose sum is σ = 302097600. Its totient is φ = 59398144.

The previous prime is 158141989. The next prime is 158141999. The reversal of 158141990 is 99141851.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158141999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 101054 + ... + 102606.

It is an arithmetic number, because the mean of its divisors is an integer number (9440550).

Almost surely, 2^158141990 is an apocalyptic number.

158141990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

158141990 is a deficient number, since it is larger than the sum of its proper divisors (143955610).

158141990 is a wasteful number, since it uses less digits than its factorization.

158141990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2176.

The product of its (nonzero) digits is 12960, while the sum is 38.

The square root of 158141990 is about 12575.4518805489. The cubic root of 158141990 is about 540.7739131814.

The spelling of 158141990 in words is "one hundred fifty-eight million, one hundred forty-one thousand, nine hundred ninety".