155021254002452 has 24 divisors (see below), whose sum is σ = 271578629411040. Its totient is φ = 77427362881440.

The previous prime is 155021254002451. The next prime is 155021254002491. The reversal of 155021254002452 is 254200452120551.

155021254002452 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 (155021254002451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 224734802 + ... + 225423542.

It is an arithmetic number, because the mean of its divisors is an integer number (11315776225460).

Almost surely, 2^{155021254002452} is an apocalyptic number.

It is an amenable number.

155021254002452 is a deficient number, since it is larger than the sum of its proper divisors (116557375408588).

155021254002452 is a wasteful number, since it uses less digits than its factorization.

155021254002452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 749111 (or 749109 counting only the distinct ones).

The product of its (nonzero) digits is 160000, while the sum is 38.

The spelling of 155021254002452 in words is "one hundred fifty-five trillion, twenty-one billion, two hundred fifty-four million, two thousand, four hundred fifty-two".