150521142 has 8 divisors (see below), whose sum is σ = 301042296. Its totient is φ = 50173712.

The previous prime is 150521117. The next prime is 150521153. The reversal of 150521142 is 241125051.

150521142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

150521142 is an admirable number.

It is a super-2 number, since 2×150521142² = 45313228377968328, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12543423 + ... + 12543434.

It is an arithmetic number, because the mean of its divisors is an integer number (37630287).

Almost surely, 2^150521142 is an apocalyptic number.

150521142 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

150521142 is a wasteful number, since it uses less digits than its factorization.

150521142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25086862.

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 150521142 is about 12268.7057997166. The cubic root of 150521142 is about 531.9439022576.

Adding to 150521142 its reverse (241125051), we get a palindrome (391646193).

The spelling of 150521142 in words is "one hundred fifty million, five hundred twenty-one thousand, one hundred forty-two".