152605780 has 12 divisors (see below), whose sum is σ = 320472180. Its totient is φ = 61042304.

The previous prime is 152605751. The next prime is 152605781. The reversal of 152605780 is 87506251.

It can be written as a sum of positive squares in 2 ways, for example, as 94906564 + 57699216 = 9742^2 + 7596^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152605781) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3815125 + ... + 3815164.

It is an arithmetic number, because the mean of its divisors is an integer number (26706015).

Almost surely, 2^152605780 is an apocalyptic number.

152605780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

152605780 is an abundant number, since it is smaller than the sum of its proper divisors (167866400).

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

152605780 is a wasteful number, since it uses less digits than its factorization.

152605780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7630298 (or 7630296 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 34.

The square root of 152605780 is about 12353.3711997981. The cubic root of 152605780 is about 534.3883655675.

The spelling of 152605780 in words is "one hundred fifty-two million, six hundred five thousand, seven hundred eighty".