155165422 has 8 divisors (see below), whose sum is σ = 234423000. Its totient is φ = 77024424.

The previous prime is 155165411. The next prime is 155165441. The reversal of 155165422 is 224561551.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 278797 + ... + 279352.

It is an arithmetic number, because the mean of its divisors is an integer number (29302875).

Almost surely, 2^155165422 is an apocalyptic number.

155165422 is a deficient number, since it is larger than the sum of its proper divisors (79257578).

155165422 is a wasteful number, since it uses less digits than its factorization.

155165422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 558290.

The product of its digits is 12000, while the sum is 31.

The square root of 155165422 is about 12456.5413337732. The cubic root of 155165422 is about 537.3595632381.

The spelling of 155165422 in words is "one hundred fifty-five million, one hundred sixty-five thousand, four hundred twenty-two".