145682879 has 4 divisors (see below), whose sum is σ = 146422584. Its totient is φ = 144943176.

The previous prime is 145682869. The next prime is 145682941. The reversal of 145682879 is 978286541.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 978286541 = 421 ⋅2323721.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-145682879 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 (145682819) 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, 369557 + ... + 369950.

It is an arithmetic number, because the mean of its divisors is an integer number (36605646).

Almost surely, 2^145682879 is an apocalyptic number.

145682879 is a deficient number, since it is larger than the sum of its proper divisors (739705).

145682879 is an equidigital number, since it uses as much as digits as its factorization.

145682879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 739704.

The product of its digits is 967680, while the sum is 50.

The square root of 145682879 is about 12069.9162797428. The cubic root of 145682879 is about 526.1822234862.

The spelling of 145682879 in words is "one hundred forty-five million, six hundred eighty-two thousand, eight hundred seventy-nine".