155013768 has 192 divisors, whose sum is σ = 526780800. Its totient is φ = 40089600.

The previous prime is 155013763. The next prime is 155013791. The reversal of 155013768 is 867310551.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155013763) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 386368 + ... + 386768.

It is an arithmetic number, because the mean of its divisors is an integer number (2743650).

Almost surely, 2^155013768 is an apocalyptic number.

155013768 is a gapful number since it is divisible by the number (18) 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 155013768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (263390400).

155013768 is an abundant number, since it is smaller than the sum of its proper divisors (371767032).

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

155013768 is a wasteful number, since it uses less digits than its factorization.

155013768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 492 (or 485 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 36.

The square root of 155013768 is about 12450.4525218965. The cubic root of 155013768 is about 537.1844398330.

The spelling of 155013768 in words is "one hundred fifty-five million, thirteen thousand, seven hundred sixty-eight".