151779140 has 12 divisors (see below), whose sum is σ = 318736236. Its totient is φ = 60711648.

The previous prime is 151779137. The next prime is 151779161. The reversal of 151779140 is 41977151.

151779140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 17172736 + 134606404 = 4144^2 + 11602^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 151779140.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3794459 + ... + 3794498.

It is an arithmetic number, because the mean of its divisors is an integer number (26561353).

Almost surely, 2^151779140 is an apocalyptic number.

151779140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

151779140 is an abundant number, since it is smaller than the sum of its proper divisors (166957096).

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

151779140 is a wasteful number, since it uses less digits than its factorization.

151779140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7588966 (or 7588964 counting only the distinct ones).

The product of its (nonzero) digits is 8820, while the sum is 35.

The square root of 151779140 is about 12319.8676940948. The cubic root of 151779140 is about 533.4217205942.

The spelling of 151779140 in words is "one hundred fifty-one million, seven hundred seventy-nine thousand, one hundred forty".