155159340 has 192 divisors, whose sum is σ = 543449088. Its totient is φ = 32256000.

The previous prime is 155159299. The next prime is 155159363. The reversal of 155159340 is 43951551.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 220990 + ... + 221690.

It is an arithmetic number, because the mean of its divisors is an integer number (2830464).

Almost surely, 2^155159340 is an apocalyptic number.

155159340 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 155159340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (271724544).

155159340 is an abundant number, since it is smaller than the sum of its proper divisors (388289748).

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

155159340 is a wasteful number, since it uses less digits than its factorization.

155159340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 768 (or 766 counting only the distinct ones).

The product of its (nonzero) digits is 13500, while the sum is 33.

The square root of 155159340 is about 12456.2972026200. The cubic root of 155159340 is about 537.3525422074.

The spelling of 155159340 in words is "one hundred fifty-five million, one hundred fifty-nine thousand, three hundred forty".