155005488 has 200 divisors, whose sum is σ = 499093056. Its totient is φ = 46051200.

The previous prime is 155005471. The next prime is 155005489. The reversal of 155005488 is 884500551.

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

It is not an unprimeable number, because it can be changed into a prime (155005489) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1183183 + ... + 1183313.

Almost surely, 2^155005488 is an apocalyptic number.

155005488 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 155005488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (249546528).

155005488 is an abundant number, since it is smaller than the sum of its proper divisors (344087568).

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

155005488 is a wasteful number, since it uses less digits than its factorization.

155005488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245 (or 230 counting only the distinct ones).

The product of its (nonzero) digits is 32000, while the sum is 36.

The square root of 155005488 is about 12450.1199994217. The cubic root of 155005488 is about 537.1748751636.

The spelling of 155005488 in words is "one hundred fifty-five million, five thousand, four hundred eighty-eight".