275475156 has 24 divisors (see below), whose sum is σ = 701209824. Its totient is φ = 83477280.

The previous prime is 275475143. The next prime is 275475173. The reversal of 275475156 is 651574572.

It is a happy number.

275475156 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1043335 + ... + 1043598.

It is an arithmetic number, because the mean of its divisors is an integer number (29217076).

Almost surely, 2^275475156 is an apocalyptic number.

It is an amenable number.

275475156 is an abundant number, since it is smaller than the sum of its proper divisors (425734668).

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

275475156 is a wasteful number, since it uses less digits than its factorization.

275475156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2086951 (or 2086949 counting only the distinct ones).

The product of its digits is 294000, while the sum is 42.

The square root of 275475156 is about 16597.4442610903. Note that the first 3 decimals coincide. The cubic root of 275475156 is about 650.6700435742.

The spelling of 275475156 in words is "two hundred seventy-five million, four hundred seventy-five thousand, one hundred fifty-six".