158144022 has 32 divisors (see below), whose sum is σ = 351842400. Its totient is φ = 52653024.

The previous prime is 158144003. The next prime is 158144023. The reversal of 158144022 is 220441851.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158144023) 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, 87504 + ... + 89292.

It is an arithmetic number, because the mean of its divisors is an integer number (10995075).

Almost surely, 2^158144022 is an apocalyptic number.

158144022 is an abundant number, since it is smaller than the sum of its proper divisors (193698378).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

158144022 is a wasteful number, since it uses less digits than its factorization.

158144022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3437 (or 3431 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 27.

The square root of 158144022 is about 12575.5326726147. The cubic root of 158144022 is about 540.7762293444.

Adding to 158144022 its reverse (220441851), we get a palindrome (378585873).

The spelling of 158144022 in words is "one hundred fifty-eight million, one hundred forty-four thousand, twenty-two".