153842274 has 64 divisors (see below), whose sum is σ = 365184000. Its totient is φ = 47900160.

The previous prime is 153842257. The next prime is 153842321. The reversal of 153842274 is 472248351.

It is a happy number.

153842274 is a `hidden beast` number, since 1 + 5 + 384 + 2 + 274 = 666.

153842274 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 46962 + ... + 50130.

It is an arithmetic number, because the mean of its divisors is an integer number (5706000).

Almost surely, 2^153842274 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 153842274, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (182592000).

153842274 is an abundant number, since it is smaller than the sum of its proper divisors (211341726).

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

153842274 is a wasteful number, since it uses less digits than its factorization.

153842274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3240 (or 3234 counting only the distinct ones).

The product of its digits is 53760, while the sum is 36.

The square root of 153842274 is about 12403.3170563362. The cubic root of 153842274 is about 535.8277854144.

The spelling of 153842274 in words is "one hundred fifty-three million, eight hundred forty-two thousand, two hundred seventy-four".