155233230173345 has 16 divisors (see below), whose sum is σ = 197280478257408. Its totient is φ = 116856031829760.

The previous prime is 155233230173183. The next prime is 155233230173387. The reversal of 155233230173345 is 543371032332551.

It is not a de Polignac number, because 155233230173345 - 2³⁸ = 154958352266401 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 155233230173345.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 198506879 + ... + 199287348.

It is an arithmetic number, because the mean of its divisors is an integer number (12330029891088).

Almost surely, 2^{155233230173345} is an apocalyptic number.

It is an amenable number.

155233230173345 is a deficient number, since it is larger than the sum of its proper divisors (42047248084063).

155233230173345 is a wasteful number, since it uses less digits than its factorization.

155233230173345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397798840.

The product of its (nonzero) digits is 3402000, while the sum is 47.

The spelling of 155233230173345 in words is "one hundred fifty-five trillion, two hundred thirty-three billion, two hundred thirty million, one hundred seventy-three thousand, three hundred forty-five".