155314042022 has 4 divisors (see below), whose sum is σ = 232971063036. Its totient is φ = 77657021010.

The previous prime is 155314041983. The next prime is 155314042031. The reversal of 155314042022 is 220240413551.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 220240413551 = 29 ⋅7594497019.

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, 38828510504 + ... + 38828510507.

It is an arithmetic number, because the mean of its divisors is an integer number (58242765759).

Almost surely, 2^155314042022 is an apocalyptic number.

155314042022 is a deficient number, since it is larger than the sum of its proper divisors (77657021014).

155314042022 is an equidigital number, since it uses as much as digits as its factorization.

155314042022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77657021013.

The product of its (nonzero) digits is 9600, while the sum is 29.

Adding to 155314042022 its reverse (220240413551), we get a palindrome (375554455573).

The spelling of 155314042022 in words is "one hundred fifty-five billion, three hundred fourteen million, forty-two thousand, twenty-two".