155042265544022 has 4 divisors (see below), whose sum is σ = 232563398316036. Its totient is φ = 77521132772010.

The previous prime is 155042265544003. The next prime is 155042265544031. The reversal of 155042265544022 is 220445562240551.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38760566386004 + ... + 38760566386007.

It is an arithmetic number, because the mean of its divisors is an integer number (58140849579009).

Almost surely, 2^{155042265544022} is an apocalyptic number.

155042265544022 is a deficient number, since it is larger than the sum of its proper divisors (77521132772014).

155042265544022 is an equidigital number, since it uses as much as digits as its factorization.

155042265544022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77521132772013.

The product of its (nonzero) digits is 3840000, while the sum is 47.

The spelling of 155042265544022 in words is "one hundred fifty-five trillion, forty-two billion, two hundred sixty-five million, five hundred forty-four thousand, twenty-two".