146579242 has 4 divisors (see below), whose sum is σ = 219868866. Its totient is φ = 73289620.

The previous prime is 146579239. The next prime is 146579261. The reversal of 146579242 is 242975641.

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

It can be written as a sum of positive squares in only one way, i.e., 138744841 + 7834401 = 11779^2 + 2799^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 146579195 and 146579204.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36644809 + ... + 36644812.

Almost surely, 2^146579242 is an apocalyptic number.

146579242 is a deficient number, since it is larger than the sum of its proper divisors (73289624).

146579242 is an equidigital number, since it uses as much as digits as its factorization.

146579242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73289623.

The product of its digits is 120960, while the sum is 40.

The square root of 146579242 is about 12106.9914512235. The cubic root of 146579242 is about 527.2591888409.

The spelling of 146579242 in words is "one hundred forty-six million, five hundred seventy-nine thousand, two hundred forty-two".