146368441 has 4 divisors (see below), whose sum is σ = 147877492. Its totient is φ = 144859392.

The previous prime is 146368433. The next prime is 146368447. The reversal of 146368441 is 144863641.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 144863641 = 13 ⋅11143357.

It can be written as a sum of positive squares in 2 ways, for example, as 68558400 + 77810041 = 8280^2 + 8821^2 .

It is a cyclic number.

It is not a de Polignac number, because 146368441 - 2³ = 146368433 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 146368441.

It is not an unprimeable number, because it can be changed into a prime (146368447) 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, 754380 + ... + 754573.

It is an arithmetic number, because the mean of its divisors is an integer number (36969373).

Almost surely, 2^146368441 is an apocalyptic number.

It is an amenable number.

146368441 is a deficient number, since it is larger than the sum of its proper divisors (1509051).

146368441 is an equidigital number, since it uses as much as digits as its factorization.

146368441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1509050.

The product of its digits is 55296, while the sum is 37.

The square root of 146368441 is about 12098.2825640667. The cubic root of 146368441 is about 527.0063106326.

The spelling of 146368441 in words is "one hundred forty-six million, three hundred sixty-eight thousand, four hundred forty-one".