155449888373 has 16 divisors (see below), whose sum is σ = 167667951360. Its totient is φ = 143269210944.

The previous prime is 155449888313. The next prime is 155449888381. The reversal of 155449888373 is 373888944551.

It is a cyclic number.

It is not a de Polignac number, because 155449888373 - 2²⁴ = 155433111157 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155449888313) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41640215 + ... + 41643947.

It is an arithmetic number, because the mean of its divisors is an integer number (10479246960).

Almost surely, 2^155449888373 is an apocalyptic number.

155449888373 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

155449888373 is a deficient number, since it is larger than the sum of its proper divisors (12218062987).

155449888373 is a wasteful number, since it uses less digits than its factorization.

155449888373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7868.

The product of its digits is 116121600, while the sum is 65.

The spelling of 155449888373 in words is "one hundred fifty-five billion, four hundred forty-nine million, eight hundred eighty-eight thousand, three hundred seventy-three".