155230033122 has 40 divisors (see below), whose sum is σ = 353021780496. Its totient is φ = 50971052088.

The previous prime is 155230033103. The next prime is 155230033139. The reversal of 155230033122 is 221330032551.

It is a happy number.

155230033122 is a `hidden beast` number, since 1 + 5 + 5 + 2 + 300 + 331 + 22 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 7139968 + ... + 7161675.

Almost surely, 2^155230033122 is an apocalyptic number.

155230033122 is an abundant number, since it is smaller than the sum of its proper divisors (197791747374).

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

155230033122 is a wasteful number, since it uses less digits than its factorization.

155230033122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14301724 (or 14301715 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

Adding to 155230033122 its reverse (221330032551), we get a palindrome (376560065673).

The spelling of 155230033122 in words is "one hundred fifty-five billion, two hundred thirty million, thirty-three thousand, one hundred twenty-two".