150321402 has 48 divisors (see below), whose sum is σ = 406066752. Its totient is φ = 39044160.

The previous prime is 150321397. The next prime is 150321403. The reversal of 150321402 is 204123051.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (150321403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 52843 + ... + 55614.

It is an arithmetic number, because the mean of its divisors is an integer number (8459724).

Almost surely, 2^150321402 is an apocalyptic number.

150321402 is an abundant number, since it is smaller than the sum of its proper divisors (255745350).

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

150321402 is a wasteful number, since it uses less digits than its factorization.

150321402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108483 (or 108480 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 150321402 is about 12260.5628745176. The cubic root of 150321402 is about 531.7085034158.

Adding to 150321402 its reverse (204123051), we get a palindrome (354444453).

The spelling of 150321402 in words is "one hundred fifty million, three hundred twenty-one thousand, four hundred two".