146809479 has 8 divisors (see below), whose sum is σ = 200520432. Its totient is φ = 95485760.

The previous prime is 146809477. The next prime is 146809489. The reversal of 146809479 is 974908641.

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

It is a cyclic number.

It is not a de Polignac number, because 146809479 - 2¹ = 146809477 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146809477) 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, 596664 + ... + 596909.

It is an arithmetic number, because the mean of its divisors is an integer number (25065054).

Almost surely, 2^146809479 is an apocalyptic number.

146809479 is a deficient number, since it is larger than the sum of its proper divisors (53710953).

146809479 is a wasteful number, since it uses less digits than its factorization.

146809479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1193617.

The product of its (nonzero) digits is 435456, while the sum is 48.

The square root of 146809479 is about 12116.4961519410. The cubic root of 146809479 is about 527.5351057400.

The spelling of 146809479 in words is "one hundred forty-six million, eight hundred nine thousand, four hundred seventy-nine".