153155380 has 144 divisors (see below), whose sum is σ = 411097680. Its totient is φ = 47566848.

The previous prime is 153155369. The next prime is 153155393. The reversal of 153155380 is 83551351.

It can be written as a sum of positive squares in 8 ways, for example, as 5143824 + 148011556 = 2268^2 + 12166^2 .

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 482982 + ... + 483298.

It is an arithmetic number, because the mean of its divisors is an integer number (2854845).

Almost surely, 2^153155380 is an apocalyptic number.

153155380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 153155380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (205548840).

153155380 is an abundant number, since it is smaller than the sum of its proper divisors (257942300).

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

153155380 is a wasteful number, since it uses less digits than its factorization.

153155380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386 (or 377 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 31.

The square root of 153155380 is about 12375.5961472569. The cubic root of 153155380 is about 535.0291188623.

The spelling of 153155380 in words is "one hundred fifty-three million, one hundred fifty-five thousand, three hundred eighty".