446145893 has 4 divisors (see below), whose sum is σ = 460537728. Its totient is φ = 431754060.

The previous prime is 446145883. The next prime is 446145899. The reversal of 446145893 is 398541644.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 446145893 - 2¹⁸ = 445883749 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 (446145899) 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, 7195871 + ... + 7195932.

It is an arithmetic number, because the mean of its divisors is an integer number (115134432).

Almost surely, 2^446145893 is an apocalyptic number.

It is an amenable number.

446145893 is a deficient number, since it is larger than the sum of its proper divisors (14391835).

446145893 is a wasteful number, since it uses less digits than its factorization.

446145893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14391834.

The product of its digits is 414720, while the sum is 44.

The square root of 446145893 is about 21122.1659164017. The cubic root of 446145893 is about 764.1154245033.

The spelling of 446145893 in words is "four hundred forty-six million, one hundred forty-five thousand, eight hundred ninety-three".