152780140 has 24 divisors (see below), whose sum is σ = 337725360. Its totient is φ = 57895488.

The previous prime is 152780137. The next prime is 152780171. The reversal of 152780140 is 41087251.

It is a junction number, because it is equal to n+sod(n) for n = 152780099 and 152780108.

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, 200647 + ... + 201406.

It is an arithmetic number, because the mean of its divisors is an integer number (14071890).

Almost surely, 2^152780140 is an apocalyptic number.

152780140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

152780140 is an abundant number, since it is smaller than the sum of its proper divisors (184945220).

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

152780140 is a wasteful number, since it uses less digits than its factorization.

152780140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402081 (or 402079 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 28.

The square root of 152780140 is about 12360.4263680506. The cubic root of 152780140 is about 534.5918102247.

It can be divided in two parts, 1527801 and 40, that multiplied together give a triangular number (61112040 = T₁₁₀₅₅).

The spelling of 152780140 in words is "one hundred fifty-two million, seven hundred eighty thousand, one hundred forty".