147905428 has 48 divisors (see below), whose sum is σ = 296319744. Its totient is φ = 63987840.

The previous prime is 147905411. The next prime is 147905431. The reversal of 147905428 is 824509741.

147905428 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 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 15 ways as a sum of consecutive naturals, for example, 75550 + ... + 77482.

It is an arithmetic number, because the mean of its divisors is an integer number (6173328).

Almost surely, 2^147905428 is an apocalyptic number.

It is an amenable number.

147905428 is an abundant number, since it is smaller than the sum of its proper divisors (148414316).

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

147905428 is a wasteful number, since it uses less digits than its factorization.

147905428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2032 (or 2030 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 40.

The square root of 147905428 is about 12161.6375542112. The cubic root of 147905428 is about 528.8445553690.

The spelling of 147905428 in words is "one hundred forty-seven million, nine hundred five thousand, four hundred twenty-eight".