152780889 has 8 divisors (see below), whose sum is σ = 203765760. Its totient is φ = 101824976.

The previous prime is 152780869. The next prime is 152780891. The reversal of 152780889 is 988087251.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-152780889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (152780869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13864 + ... + 22310.

It is an arithmetic number, because the mean of its divisors is an integer number (25470720).

Almost surely, 2^152780889 is an apocalyptic number.

It is an amenable number.

152780889 is a deficient number, since it is larger than the sum of its proper divisors (50984871).

152780889 is an equidigital number, since it uses as much as digits as its factorization.

152780889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14479.

The product of its (nonzero) digits is 322560, while the sum is 48.

The square root of 152780889 is about 12360.4566663210. The cubic root of 152780889 is about 534.5926838300.

The spelling of 152780889 in words is "one hundred fifty-two million, seven hundred eighty thousand, eight hundred eighty-nine".