155360000 has 90 divisors (see below), whose sum is σ = 387916452. Its totient is φ = 62080000.

The previous prime is 155359969. The next prime is 155360071. The reversal of 155360000 is 63551.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 159515 + ... + 160485.

Almost surely, 2^155360000 is an apocalyptic number.

155360000 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 155360000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (193958226).

155360000 is an abundant number, since it is smaller than the sum of its proper divisors (232556452).

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

155360000 is an frugal number, since it uses more digits than its factorization.

155360000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1007 (or 978 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 20.

The square root of 155360000 is about 12464.3491607063. The cubic root of 155360000 is about 537.5840863581.

The spelling of 155360000 in words is "one hundred fifty-five million, three hundred sixty thousand".