155422674 has 48 divisors (see below), whose sum is σ = 370977984. Its totient is φ = 46634400.

The previous prime is 155422669. The next prime is 155422691. The reversal of 155422674 is 476224551.

It is a happy number.

155422674 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16584 + ... + 24204.

It is an arithmetic number, because the mean of its divisors is an integer number (7728708).

Almost surely, 2^155422674 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 155422674, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (185488992).

155422674 is an abundant number, since it is smaller than the sum of its proper divisors (215555310).

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

155422674 is a wasteful number, since it uses less digits than its factorization.

155422674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7743 (or 7740 counting only the distinct ones).

The product of its digits is 67200, while the sum is 36.

The square root of 155422674 is about 12466.8630376691. The cubic root of 155422674 is about 537.6563658281.

The spelling of 155422674 in words is "one hundred fifty-five million, four hundred twenty-two thousand, six hundred seventy-four".