155853960 has 128 divisors (see below), whose sum is σ = 521251200. Its totient is φ = 37048320.

The previous prime is 155853959. The next prime is 155854037. The reversal of 155853960 is 69358551.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36750 + ... + 40770.

It is an arithmetic number, because the mean of its divisors is an integer number (4072275).

Almost surely, 2^155853960 is an apocalyptic number.

155853960 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 155853960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (260625600).

155853960 is an abundant number, since it is smaller than the sum of its proper divisors (365397240).

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

155853960 is a wasteful number, since it uses less digits than its factorization.

155853960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4071 (or 4067 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 42.

The square root of 155853960 is about 12484.1483490064. The cubic root of 155853960 is about 538.1532249222.

The spelling of 155853960 in words is "one hundred fifty-five million, eight hundred fifty-three thousand, nine hundred sixty".