145255122 has 24 divisors (see below), whose sum is σ = 314992080. Its totient is φ = 48376440.

The previous prime is 145255111. The next prime is 145255147. The reversal of 145255122 is 221552541.

145255122 is a `hidden beast` number, since 14 + 525 + 5 + 122 = 666.

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, 23497 + ... + 29027.

It is an arithmetic number, because the mean of its divisors is an integer number (13124670).

Almost surely, 2^145255122 is an apocalyptic number.

145255122 is an abundant number, since it is smaller than the sum of its proper divisors (169736958).

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

145255122 is a wasteful number, since it uses less digits than its factorization.

145255122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6998 (or 6995 counting only the distinct ones).

The product of its digits is 4000, while the sum is 27.

The square root of 145255122 is about 12052.1832876869. The cubic root of 145255122 is about 525.6667230057. Note that the first 3 decimals are identical.

The spelling of 145255122 in words is "one hundred forty-five million, two hundred fifty-five thousand, one hundred twenty-two".