150021910 has 16 divisors (see below), whose sum is σ = 284252400. Its totient is φ = 56850336.

The previous prime is 150021899. The next prime is 150021913. The reversal of 150021910 is 19120051.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150021913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 394605 + ... + 394984.

It is an arithmetic number, because the mean of its divisors is an integer number (17765775).

Almost surely, 2^150021910 is an apocalyptic number.

150021910 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

150021910 is a deficient number, since it is larger than the sum of its proper divisors (134230490).

150021910 is a wasteful number, since it uses less digits than its factorization.

150021910 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 789615.

The product of its (nonzero) digits is 90, while the sum is 19.

The square root of 150021910 is about 12248.3431532595. The cubic root of 150021910 is about 531.3551531643.

Adding to 150021910 its reverse (19120051), we get a palindrome (169141961).

The spelling of 150021910 in words is "one hundred fifty million, twenty-one thousand, nine hundred ten".