150421320 has 256 divisors, whose sum is σ = 581644800. Its totient is φ = 33868800.

The previous prime is 150421319. The next prime is 150421373. The reversal of 150421320 is 23124051.

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

It is a junction number, because it is equal to n+sod(n) for n = 150421293 and 150421302.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 763462 + ... + 763658.

It is an arithmetic number, because the mean of its divisors is an integer number (2272050).

Almost surely, 2^150421320 is an apocalyptic number.

150421320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 150421320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (290822400).

150421320 is an abundant number, since it is smaller than the sum of its proper divisors (431223480).

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

150421320 is a wasteful number, since it uses less digits than its factorization.

150421320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325 (or 315 counting only the distinct ones).

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

The square root of 150421320 is about 12264.6369697598. The cubic root of 150421320 is about 531.8262854542.

Adding to 150421320 its reverse (23124051), we get a palindrome (173545371).

The spelling of 150421320 in words is "one hundred fifty million, four hundred twenty-one thousand, three hundred twenty".