151579980 has 36 divisors (see below), whose sum is σ = 459793152. Its totient is φ = 40421280.

The previous prime is 151579979. The next prime is 151579997. The reversal of 151579980 is 89975151.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 420876 + ... + 421235.

It is an arithmetic number, because the mean of its divisors is an integer number (12772032).

Almost surely, 2^151579980 is an apocalyptic number.

151579980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

151579980 is an abundant number, since it is smaller than the sum of its proper divisors (308213172).

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

151579980 is a wasteful number, since it uses less digits than its factorization.

151579980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 842126 (or 842121 counting only the distinct ones).

The product of its (nonzero) digits is 113400, while the sum is 45.

The square root of 151579980 is about 12311.7821618156. The cubic root of 151579980 is about 533.1883051844.

The spelling of 151579980 in words is "one hundred fifty-one million, five hundred seventy-nine thousand, nine hundred eighty".