155445603426222 has 16 divisors (see below), whose sum is σ = 311435674822272. Its totient is φ = 51724456480440.

The previous prime is 155445603426161. The next prime is 155445603426233. The reversal of 155445603426222 is 222624306544551.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22686161698 + ... + 22686168549.

It is an arithmetic number, because the mean of its divisors is an integer number (19464729676392).

Almost surely, 2^{155445603426222} is an apocalyptic number.

155445603426222 is an abundant number, since it is smaller than the sum of its proper divisors (155990071396050).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

155445603426222 is a wasteful number, since it uses less digits than its factorization.

155445603426222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45372330823.

The product of its (nonzero) digits is 13824000, while the sum is 51.

The spelling of 155445603426222 in words is "one hundred fifty-five trillion, four hundred forty-five billion, six hundred three million, four hundred twenty-six thousand, two hundred twenty-two".