146856354479 has 4 divisors (see below), whose sum is σ = 155494963584. Its totient is φ = 138217745376.

The previous prime is 146856354473. The next prime is 146856354487. The reversal of 146856354479 is 974453658641.

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 146856354479 - 2¹² = 146856350383 is a prime.

It is a super-2 number, since 2×146856354479² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146856354473) 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, 4319304527 + ... + 4319304560.

It is an arithmetic number, because the mean of its divisors is an integer number (38873740896).

Almost surely, 2^146856354479 is an apocalyptic number.

146856354479 is a deficient number, since it is larger than the sum of its proper divisors (8638609105).

146856354479 is an equidigital number, since it uses as much as digits as its factorization.

146856354479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8638609104.

The product of its digits is 87091200, while the sum is 62.

The spelling of 146856354479 in words is "one hundred forty-six billion, eight hundred fifty-six million, three hundred fifty-four thousand, four hundred seventy-nine".