155306480 has 60 divisors (see below), whose sum is σ = 420051240. Its totient is φ = 53246592.

The previous prime is 155306477. The next prime is 155306491. The reversal of 155306480 is 84603551.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15890 + ... + 23729.

It is an arithmetic number, because the mean of its divisors is an integer number (7000854).

Almost surely, 2^155306480 is an apocalyptic number.

155306480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

155306480 is an abundant number, since it is smaller than the sum of its proper divisors (264744760).

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

155306480 is a wasteful number, since it uses less digits than its factorization.

155306480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39646 (or 39633 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 155306480 is about 12462.2020526069. The cubic root of 155306480 is about 537.5223484488.

The spelling of 155306480 in words is "one hundred fifty-five million, three hundred six thousand, four hundred eighty".