155402622 has 24 divisors (see below), whose sum is σ = 337793664. Its totient is φ = 51633504.

The previous prime is 155402591. The next prime is 155402623. The reversal of 155402622 is 226204551.

155402622 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155402623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8158 + ... + 19425.

It is an arithmetic number, because the mean of its divisors is an integer number (14074736).

Almost surely, 2^155402622 is an apocalyptic number.

155402622 is an abundant number, since it is smaller than the sum of its proper divisors (182391042).

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

155402622 is a wasteful number, since it uses less digits than its factorization.

155402622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27904 (or 27901 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 155402622 is about 12466.0587997972. The cubic root of 155402622 is about 537.6332427560.

The spelling of 155402622 in words is "one hundred fifty-five million, four hundred two thousand, six hundred twenty-two".