152289978 has 64 divisors (see below), whose sum is σ = 342144000. Its totient is φ = 44907264.

The previous prime is 152289937. The next prime is 152289979. The reversal of 152289978 is 879982251.

It is a super-3 number, since 3×152289978³ (a number of 26 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a self number, because there is not a number n which added to its sum of digits gives 152289978.

It is not an unprimeable number, because it can be changed into a prime (152289979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 346683 + ... + 347121.

It is an arithmetic number, because the mean of its divisors is an integer number (5346000).

Almost surely, 2^152289978 is an apocalyptic number.

152289978 is an abundant number, since it is smaller than the sum of its proper divisors (189854022).

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

152289978 is a wasteful number, since it uses less digits than its factorization.

152289978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 659.

The product of its digits is 725760, while the sum is 51.

The square root of 152289978 is about 12340.5825632342. The cubic root of 152289978 is about 534.0194903742.

The spelling of 152289978 in words is "one hundred fifty-two million, two hundred eighty-nine thousand, nine hundred seventy-eight".