155453425124 has 12 divisors (see below), whose sum is σ = 272445335484. Its totient is φ = 77611900704.

The previous prime is 155453425121. The next prime is 155453425147. The reversal of 155453425124 is 421524354551.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 146658361600 + 8795063524 = 382960^2 + 93782^2 .

It is not an unprimeable number, because it can be changed into a prime (155453425121) 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, 28699919 + ... + 28705334.

It is an arithmetic number, because the mean of its divisors is an integer number (22703777957).

Almost surely, 2^155453425124 is an apocalyptic number.

It is an amenable number.

155453425124 is a deficient number, since it is larger than the sum of its proper divisors (116991910360).

155453425124 is a wasteful number, since it uses less digits than its factorization.

155453425124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57405934 (or 57405932 counting only the distinct ones).

The product of its digits is 480000, while the sum is 41.

Adding to 155453425124 its reverse (421524354551), we get a palindrome (576977779675).

The spelling of 155453425124 in words is "one hundred fifty-five billion, four hundred fifty-three million, four hundred twenty-five thousand, one hundred twenty-four".