155946474 has 48 divisors (see below), whose sum is σ = 362344320. Its totient is φ = 48297600.

The previous prime is 155946467. The next prime is 155946533. The reversal of 155946474 is 474649551.

155946474 is a `hidden beast` number, since 15 + 594 + 6 + 47 + 4 = 666.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

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, 20949 + ... + 27399.

It is an arithmetic number, because the mean of its divisors is an integer number (7548840).

Almost surely, 2^155946474 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 155946474, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (181172160).

155946474 is an abundant number, since it is smaller than the sum of its proper divisors (206397846).

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

155946474 is a wasteful number, since it uses less digits than its factorization.

155946474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6555 (or 6552 counting only the distinct ones).

The product of its digits is 604800, while the sum is 45.

The square root of 155946474 is about 12487.8530580721. The cubic root of 155946474 is about 538.2596853968.

The spelling of 155946474 in words is "one hundred fifty-five million, nine hundred forty-six thousand, four hundred seventy-four".