158149950 has 72 divisors (see below), whose sum is σ = 456267672. Its totient is φ = 36146880.

The previous prime is 158149903. The next prime is 158149967. The reversal of 158149950 is 59941851.

158149950 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×158149950³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 3409 + ... + 18108.

It is an arithmetic number, because the mean of its divisors is an integer number (6337051).

Almost surely, 2^158149950 is an apocalyptic number.

158149950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

158149950 is an abundant number, since it is smaller than the sum of its proper divisors (298117722).

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

158149950 is a wasteful number, since it uses less digits than its factorization.

158149950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21546 (or 21534 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 42.

The square root of 158149950 is about 12575.7683661874. The cubic root of 158149950 is about 540.7829862263.

The spelling of 158149950 in words is "one hundred fifty-eight million, one hundred forty-nine thousand, nine hundred fifty".