150621142 has 16 divisors (see below), whose sum is σ = 258365952. Its totient is φ = 64512360.

The previous prime is 150621137. The next prime is 150621143. The reversal of 150621142 is 241126051.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150621143) 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, 39667 + ... + 43297.

It is an arithmetic number, because the mean of its divisors is an integer number (16147872).

Almost surely, 2^150621142 is an apocalyptic number.

150621142 is a deficient number, since it is larger than the sum of its proper divisors (107744810).

150621142 is a wasteful number, since it uses less digits than its factorization.

150621142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6603.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 150621142 is about 12272.7805325444. The cubic root of 150621142 is about 532.0616766641.

Adding to 150621142 its reverse (241126051), we get a palindrome (391747193).

The spelling of 150621142 in words is "one hundred fifty million, six hundred twenty-one thousand, one hundred forty-two".