150439940 has 48 divisors (see below), whose sum is σ = 362208000. Its totient is φ = 51414912.

The previous prime is 150439909. The next prime is 150439957. The reversal of 150439940 is 49934051.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 150439940.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47321 + ... + 50399.

It is an arithmetic number, because the mean of its divisors is an integer number (7546000).

Almost surely, 2^150439940 is an apocalyptic number.

150439940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

150439940 is an abundant number, since it is smaller than the sum of its proper divisors (211768060).

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

150439940 is a wasteful number, since it uses less digits than its factorization.

150439940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3444 (or 3442 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 150439940 is about 12265.3960392643. The cubic root of 150439940 is about 531.8482287019.

The spelling of 150439940 in words is "one hundred fifty million, four hundred thirty-nine thousand, nine hundred forty".