155037242873 has 4 divisors (see below), whose sum is σ = 160038444288. Its totient is φ = 150036041460.

The previous prime is 155037242863. The next prime is 155037242917. The reversal of 155037242873 is 378242730551.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 155037242873 - 2¹⁴ = 155037226489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (155037242863) 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, 2500600661 + ... + 2500600722.

It is an arithmetic number, because the mean of its divisors is an integer number (40009611072).

Almost surely, 2^155037242873 is an apocalyptic number.

It is an amenable number.

155037242873 is a deficient number, since it is larger than the sum of its proper divisors (5001201415).

155037242873 is an equidigital number, since it uses as much as digits as its factorization.

155037242873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5001201414.

The product of its (nonzero) digits is 1411200, while the sum is 47.

The spelling of 155037242873 in words is "one hundred fifty-five billion, thirty-seven million, two hundred forty-two thousand, eight hundred seventy-three".