147397478 has 32 divisors (see below), whose sum is σ = 244823040. Its totient is φ = 66242880.

The previous prime is 147397469. The next prime is 147397493. The reversal of 147397478 is 874793741.

147397478 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, 119123 + ... + 120353.

It is an arithmetic number, because the mean of its divisors is an integer number (7650720).

Almost surely, 2^147397478 is an apocalyptic number.

147397478 is a deficient number, since it is larger than the sum of its proper divisors (97425562).

147397478 is a wasteful number, since it uses less digits than its factorization.

147397478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1412.

The product of its digits is 1185408, while the sum is 50.

The square root of 147397478 is about 12140.7363038656. The cubic root of 147397478 is about 528.2384593039.

The spelling of 147397478 in words is "one hundred forty-seven million, three hundred ninety-seven thousand, four hundred seventy-eight".