158201940 has 48 divisors (see below), whose sum is σ = 477042048. Its totient is φ = 38941824.

The previous prime is 158201929. The next prime is 158201963. The reversal of 158201940 is 49102851.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 158201898 and 158201907.

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, 100632 + ... + 102191.

It is an arithmetic number, because the mean of its divisors is an integer number (9938376).

Almost surely, 2^158201940 is an apocalyptic number.

158201940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

158201940 is an abundant number, since it is smaller than the sum of its proper divisors (318840108).

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

158201940 is a wasteful number, since it uses less digits than its factorization.

158201940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202848 (or 202846 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 30.

The square root of 158201940 is about 12577.8352668494. The cubic root of 158201940 is about 540.8422384890.

The spelling of 158201940 in words is "one hundred fifty-eight million, two hundred one thousand, nine hundred forty".