150918640 has 40 divisors (see below), whose sum is σ = 366146208. Its totient is φ = 57742080.

The previous prime is 150918631. The next prime is 150918641. The reversal of 150918640 is 46819051.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 150918596 and 150918605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150918641) 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 7 ways as a sum of consecutive naturals, for example, 39171 + ... + 42850.

Almost surely, 2^150918640 is an apocalyptic number.

150918640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

150918640 is an abundant number, since it is smaller than the sum of its proper divisors (215227568).

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

150918640 is a wasteful number, since it uses less digits than its factorization.

150918640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82057 (or 82051 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 34.

The square root of 150918640 is about 12284.8947899443. The cubic root of 150918640 is about 532.4117452392.

The spelling of 150918640 in words is "one hundred fifty million, nine hundred eighteen thousand, six hundred forty".