155225888 has 24 divisors (see below), whose sum is σ = 305910108. Its totient is φ = 77534464.

The previous prime is 155225881. The next prime is 155225909. The reversal of 155225888 is 888522551.

It can be written as a sum of positive squares in 2 ways, for example, as 118113424 + 37112464 = 10868^2 + 6092^2 .

It is not an unprimeable number, because it can be changed into a prime (155225881) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42170 + ... + 45702.

Almost surely, 2^155225888 is an apocalyptic number.

It is an amenable number.

155225888 is a deficient number, since it is larger than the sum of its proper divisors (150684220).

155225888 is a wasteful number, since it uses less digits than its factorization.

155225888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4916 (or 4908 counting only the distinct ones).

The product of its digits is 256000, while the sum is 44.

The square root of 155225888 is about 12458.9681755754. The cubic root of 155225888 is about 537.4293549122.

The spelling of 155225888 in words is "one hundred fifty-five million, two hundred twenty-five thousand, eight hundred eighty-eight".