446868157 has 4 divisors (see below), whose sum is σ = 446916096. Its totient is φ = 446820220.

The previous prime is 446868089. The next prime is 446868167. The reversal of 446868157 is 751868644.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 446868157 - 2¹¹ = 446866109 is a prime.

It is a super-2 number, since 2×446868157² = 399382299481153298, which contains 22 as substring.

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 446868157.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (446868167) 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, 4963 + ... + 30304.

It is an arithmetic number, because the mean of its divisors is an integer number (111729024).

Almost surely, 2^446868157 is an apocalyptic number.

It is an amenable number.

446868157 is a deficient number, since it is larger than the sum of its proper divisors (47939).

446868157 is a wasteful number, since it uses less digits than its factorization.

446868157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47938.

The product of its digits is 1290240, while the sum is 49.

The square root of 446868157 is about 21139.2563019611. The cubic root of 446868157 is about 764.5275434386.

The spelling of 446868157 in words is "four hundred forty-six million, eight hundred sixty-eight thousand, one hundred fifty-seven".