155122443150452 has 12 divisors (see below), whose sum is σ = 271674876201540. Its totient is φ = 77501049950016.

The previous prime is 155122443150413. The next prime is 155122443150481. The reversal of 155122443150452 is 254051344221551.

It can be written as a sum of positive squares in 2 ways, for example, as 145152472709776 + 9969970440676 = 12047924^2 + 3157526^2 .

It is a super-2 number, since 2×155122443150452² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15042900503 + ... + 15042910814.

It is an arithmetic number, because the mean of its divisors is an integer number (22639573016795).

Almost surely, 2^{155122443150452} is an apocalyptic number.

It is an amenable number.

155122443150452 is a deficient number, since it is larger than the sum of its proper divisors (116552433051088).

155122443150452 is a wasteful number, since it uses less digits than its factorization.

155122443150452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30085812610 (or 30085812608 counting only the distinct ones).

The product of its (nonzero) digits is 960000, while the sum is 44.

The spelling of 155122443150452 in words is "one hundred fifty-five trillion, one hundred twenty-two billion, four hundred forty-three million, one hundred fifty thousand, four hundred fifty-two".