150978740 has 24 divisors (see below), whose sum is σ = 345879072. Its totient is φ = 54901280.

The previous prime is 150978733. The next prime is 150978757. The reversal of 150978740 is 47879051.

It is a congruent number.

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, 342914 + ... + 343353.

It is an arithmetic number, because the mean of its divisors is an integer number (14411628).

Almost surely, 2^150978740 is an apocalyptic number.

150978740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

150978740 is an abundant number, since it is smaller than the sum of its proper divisors (194900332).

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

150978740 is a wasteful number, since it uses less digits than its factorization.

150978740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 686287 (or 686285 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 41.

The square root of 150978740 is about 12287.3406398618. The cubic root of 150978740 is about 532.4824095815.

The spelling of 150978740 in words is "one hundred fifty million, nine hundred seventy-eight thousand, seven hundred forty".