155480270 has 32 divisors (see below), whose sum is σ = 311078880. Its totient is φ = 55469440.

The previous prime is 155480261. The next prime is 155480329. The reversal of 155480270 is 72084551.

It is a super-2 number, since 2×155480270² = 48348228718545800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7505 + ... + 19164.

It is an arithmetic number, because the mean of its divisors is an integer number (9721215).

Almost surely, 2^155480270 is an apocalyptic number.

155480270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

155480270 is an abundant number, since it is smaller than the sum of its proper divisors (155598610).

155480270 is a wasteful number, since it uses less digits than its factorization.

155480270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26740.

The product of its (nonzero) digits is 11200, while the sum is 32.

The square root of 155480270 is about 12469.1727873183. The cubic root of 155480270 is about 537.7227719083.

The spelling of 155480270 in words is "one hundred fifty-five million, four hundred eighty thousand, two hundred seventy".