158004940 has 24 divisors (see below), whose sum is σ = 346237920. Its totient is φ = 60453888.

The previous prime is 158004937. The next prime is 158004943. The reversal of 158004940 is 49400851.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (158004937) and next prime (158004943).

It is a super-2 number, since 2×158004940² = 49931122128807200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (158004943) 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, 171285 + ... + 172204.

It is an arithmetic number, because the mean of its divisors is an integer number (14426580).

Almost surely, 2^158004940 is an apocalyptic number.

158004940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

158004940 is an abundant number, since it is smaller than the sum of its proper divisors (188232980).

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

158004940 is a wasteful number, since it uses less digits than its factorization.

158004940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343521 (or 343519 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 158004940 is about 12570.0015910898. The cubic root of 158004940 is about 540.6176517428.

The spelling of 158004940 in words is "one hundred fifty-eight million, four thousand, nine hundred forty".