146947479 has 8 divisors (see below), whose sum is σ = 223920000. Its totient is φ = 83969976.

The previous prime is 146947459. The next prime is 146947481. The reversal of 146947479 is 974749641.

146947479 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 146947479 - 2¹¹ = 146945431 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146947459) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3498729 + ... + 3498770.

It is an arithmetic number, because the mean of its divisors is an integer number (27990000).

Almost surely, 2^146947479 is an apocalyptic number.

146947479 is a deficient number, since it is larger than the sum of its proper divisors (76972521).

146947479 is an equidigital number, since it uses as much as digits as its factorization.

146947479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6997509.

The product of its digits is 1524096, while the sum is 51.

The square root of 146947479 is about 12122.1895299488. The cubic root of 146947479 is about 527.7003472183.

The spelling of 146947479 in words is "one hundred forty-six million, nine hundred forty-seven thousand, four hundred seventy-nine".