153238380 has 48 divisors (see below), whose sum is σ = 435482880. Its totient is φ = 40252608.

The previous prime is 153238373. The next prime is 153238387. The reversal of 153238380 is 83832351.

It is an interprime number because it is at equal distance from previous prime (153238373) and next prime (153238387).

It is a super-2 number, since 2×153238380² = 46964002210048800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (153238387) 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 15 ways as a sum of consecutive naturals, for example, 15040 + ... + 23079.

It is an arithmetic number, because the mean of its divisors is an integer number (9072560).

Almost surely, 2^153238380 is an apocalyptic number.

153238380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

153238380 is an abundant number, since it is smaller than the sum of its proper divisors (282244500).

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

153238380 is a wasteful number, since it uses less digits than its factorization.

153238380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38198 (or 38196 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 153238380 is about 12378.9490668635. The cubic root of 153238380 is about 535.1257514397.

The spelling of 153238380 in words is "one hundred fifty-three million, two hundred thirty-eight thousand, three hundred eighty".