445916146 has 16 divisors (see below), whose sum is σ = 722194200. Its totient is φ = 205273728.

The previous prime is 445916131. The next prime is 445916153. The reversal of 445916146 is 641619544.

It can be written as a sum of positive squares in 4 ways, for example, as 238239225 + 207676921 = 15435^2 + 14411^2 .

It is a junction number, because it is equal to n+sod(n) for n = 445916099 and 445916108.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11931 + ... + 32158.

Almost surely, 2^445916146 is an apocalyptic number.

445916146 is a deficient number, since it is larger than the sum of its proper divisors (276278054).

445916146 is a wasteful number, since it uses less digits than its factorization.

445916146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44493.

The product of its digits is 103680, while the sum is 40.

The square root of 445916146 is about 21116.7266876285. The cubic root of 445916146 is about 763.9842391877.

The spelling of 445916146 in words is "four hundred forty-five million, nine hundred sixteen thousand, one hundred forty-six".