155475480 has 192 divisors, whose sum is σ = 510783840. Its totient is φ = 37822464.

The previous prime is 155475479. The next prime is 155475511. The reversal of 155475480 is 84574551.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1602792 + ... + 1602888.

Almost surely, 2^155475480 is an apocalyptic number.

155475480 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 155475480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (255391920).

155475480 is an abundant number, since it is smaller than the sum of its proper divisors (355308360).

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

155475480 is a wasteful number, since it uses less digits than its factorization.

155475480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186 (or 163 counting only the distinct ones).

The product of its (nonzero) digits is 112000, while the sum is 39.

The square root of 155475480 is about 12468.9807121513. The cubic root of 155475480 is about 537.7172498389.

The spelling of 155475480 in words is "one hundred fifty-five million, four hundred seventy-five thousand, four hundred eighty".