155253093143 has 4 divisors (see below), whose sum is σ = 155265444048. Its totient is φ = 155240742240.

The previous prime is 155253093139. The next prime is 155253093161. The reversal of 155253093143 is 341390352551.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 155253093143 - 2² = 155253093139 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 155253093143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155253090143) 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, 6156578 + ... + 6181743.

It is an arithmetic number, because the mean of its divisors is an integer number (38816361012).

Almost surely, 2^155253093143 is an apocalyptic number.

155253093143 is a deficient number, since it is larger than the sum of its proper divisors (12350905).

155253093143 is a wasteful number, since it uses less digits than its factorization.

155253093143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12350904.

The product of its (nonzero) digits is 243000, while the sum is 41.

The spelling of 155253093143 in words is "one hundred fifty-five billion, two hundred fifty-three million, ninety-three thousand, one hundred forty-three".