150665540 has 24 divisors (see below), whose sum is σ = 316854720. Its totient is φ = 60179168.

The previous prime is 150665539. The next prime is 150665551. The reversal of 150665540 is 45566051.

It is a junction number, because it is equal to n+sod(n) for n = 150665497 and 150665506.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9791 + ... + 19929.

It is an arithmetic number, because the mean of its divisors is an integer number (13202280).

Almost surely, 2^150665540 is an apocalyptic number.

150665540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

150665540 is an abundant number, since it is smaller than the sum of its proper divisors (166189180).

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

150665540 is a wasteful number, since it uses less digits than its factorization.

150665540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10891 (or 10889 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 32.

The square root of 150665540 is about 12274.5891988286. The cubic root of 150665540 is about 532.1139494357.

The spelling of 150665540 in words is "one hundred fifty million, six hundred sixty-five thousand, five hundred forty".