146438479 has 4 divisors (see below), whose sum is σ = 159751080. Its totient is φ = 133125880.

The previous prime is 146438473. The next prime is 146438497. The reversal of 146438479 is 974834641.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 146438479 - 2³ = 146438471 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146438471) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6656284 + ... + 6656305.

It is an arithmetic number, because the mean of its divisors is an integer number (39937770).

Almost surely, 2^146438479 is an apocalyptic number.

146438479 is a deficient number, since it is larger than the sum of its proper divisors (13312601).

146438479 is a wasteful number, since it uses less digits than its factorization.

146438479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13312600.

The product of its digits is 580608, while the sum is 46.

The square root of 146438479 is about 12101.1767609601. The cubic root of 146438479 is about 527.0903555766.

The spelling of 146438479 in words is "one hundred forty-six million, four hundred thirty-eight thousand, four hundred seventy-nine".