150947820 has 96 divisors (see below), whose sum is σ = 471421440. Its totient is φ = 40098240.

The previous prime is 150947791. The next prime is 150947831. The reversal of 150947820 is 28749051.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 238905 + ... + 239535.

It is an arithmetic number, because the mean of its divisors is an integer number (4910640).

Almost surely, 2^150947820 is an apocalyptic number.

150947820 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 150947820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (235710720).

150947820 is an abundant number, since it is smaller than the sum of its proper divisors (320473620).

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

150947820 is a wasteful number, since it uses less digits than its factorization.

150947820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1092 (or 1084 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 150947820 is about 12286.0823699013. The cubic root of 150947820 is about 532.4460568249.

The spelling of 150947820 in words is "one hundred fifty million, nine hundred forty-seven thousand, eight hundred twenty".