146791849 has 4 divisors (see below), whose sum is σ = 150372180. Its totient is φ = 143211520.

The previous prime is 146791847. The next prime is 146791867. The reversal of 146791849 is 948197641.

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

It can be written as a sum of positive squares in 2 ways, for example, as 87609600 + 59182249 = 9360^2 + 7693^2 .

It is a cyclic number.

It is not a de Polignac number, because 146791849 - 2¹ = 146791847 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (146791847) 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, 1790104 + ... + 1790185.

It is an arithmetic number, because the mean of its divisors is an integer number (37593045).

Almost surely, 2^146791849 is an apocalyptic number.

It is an amenable number.

146791849 is a deficient number, since it is larger than the sum of its proper divisors (3580331).

146791849 is an equidigital number, since it uses as much as digits as its factorization.

146791849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3580330.

The product of its digits is 435456, while the sum is 49.

The square root of 146791849 is about 12115.7686095435. The cubic root of 146791849 is about 527.5139880840.

The spelling of 146791849 in words is "one hundred forty-six million, seven hundred ninety-one thousand, eight hundred forty-nine".