153256380 has 24 divisors (see below), whose sum is σ = 429118032. Its totient is φ = 40868352.

The previous prime is 153256379. The next prime is 153256391. The reversal of 153256380 is 83652351.

It is a congruent number.

It is an unprimeable number.

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, 1277077 + ... + 1277196.

It is an arithmetic number, because the mean of its divisors is an integer number (17879918).

Almost surely, 2^153256380 is an apocalyptic number.

153256380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

153256380 is an abundant number, since it is smaller than the sum of its proper divisors (275861652).

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

153256380 is a wasteful number, since it uses less digits than its factorization.

153256380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2554285 (or 2554283 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 153256380 is about 12379.6760862310. The cubic root of 153256380 is about 535.1467032978.

The spelling of 153256380 in words is "one hundred fifty-three million, two hundred fifty-six thousand, three hundred eighty".