155244005253 has 12 divisors (see below), whose sum is σ = 237432008268. Its totient is φ = 97408003200.

The previous prime is 155244005251. The next prime is 155244005341. The reversal of 155244005253 is 352500442551.

155244005253 is a `hidden beast` number, since 1 + 552 + 4 + 4 + 0 + 0 + 52 + 53 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 58509320769 + 96734684484 = 241887^2 + 311022^2 .

It is not a de Polignac number, because 155244005253 - 2¹ = 155244005251 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155244005251) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 507333198 + ... + 507333503.

It is an arithmetic number, because the mean of its divisors is an integer number (19786000689).

Almost surely, 2^155244005253 is an apocalyptic number.

It is an amenable number.

155244005253 is a deficient number, since it is larger than the sum of its proper divisors (82188003015).

155244005253 is a wasteful number, since it uses less digits than its factorization.

155244005253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1014666724 (or 1014666721 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 36.

The spelling of 155244005253 in words is "one hundred fifty-five billion, two hundred forty-four million, five thousand, two hundred fifty-three".