147914478 has 32 divisors (see below), whose sum is σ = 329894400. Its totient is φ = 49125528.

The previous prime is 147914461. The next prime is 147914483. The reversal of 147914478 is 874419741.

It is a happy number.

147914478 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10443 + ... + 20121.

It is an arithmetic number, because the mean of its divisors is an integer number (10309200).

Almost surely, 2^147914478 is an apocalyptic number.

147914478 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

147914478 is an abundant number, since it is smaller than the sum of its proper divisors (181979922).

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

147914478 is a wasteful number, since it uses less digits than its factorization.

147914478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9973 (or 9967 counting only the distinct ones).

The product of its digits is 225792, while the sum is 45.

The square root of 147914478 is about 12162.0096201245. The cubic root of 147914478 is about 528.8553414180.

The spelling of 147914478 in words is "one hundred forty-seven million, nine hundred fourteen thousand, four hundred seventy-eight".