445726146 has 16 divisors (see below), whose sum is σ = 906067008. Its totient is φ = 146139600.

The previous prime is 445726117. The next prime is 445726147. The reversal of 445726146 is 641627544.

It is not an unprimeable number, because it can be changed into a prime (445726147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 608550 + ... + 609281.

It is an arithmetic number, because the mean of its divisors is an integer number (56629188).

Almost surely, 2^445726146 is an apocalyptic number.

445726146 is an abundant number, since it is smaller than the sum of its proper divisors (460340862).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

445726146 is a wasteful number, since it uses less digits than its factorization.

445726146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1217897.

The product of its digits is 161280, while the sum is 39.

The square root of 445726146 is about 21112.2274049897. The cubic root of 445726146 is about 763.8757153256.

It can be divided in two parts, 4457 and 26146, that added together give a palindrome (30603).

The spelling of 445726146 in words is "four hundred forty-five million, seven hundred twenty-six thousand, one hundred forty-six".