155227902 has 32 divisors (see below), whose sum is σ = 314042400. Its totient is φ = 51148800.

The previous prime is 155227889. The next prime is 155227907. The reversal of 155227902 is 209722551.

It is a happy number.

155227902 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155227907) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 358278 + ... + 358710.

It is an arithmetic number, because the mean of its divisors is an integer number (9813825).

Almost surely, 2^155227902 is an apocalyptic number.

155227902 is an abundant number, since it is smaller than the sum of its proper divisors (158814498).

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

155227902 is a wasteful number, since it uses less digits than its factorization.

155227902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 988.

The product of its (nonzero) digits is 12600, while the sum is 33.

The square root of 155227902 is about 12459.0490006260. The cubic root of 155227902 is about 537.4316792196.

The spelling of 155227902 in words is "one hundred fifty-five million, two hundred twenty-seven thousand, nine hundred two".