445103240 has 32 divisors (see below), whose sum is σ = 1012743000. Its totient is φ = 176039424.

The previous prime is 445103237. The next prime is 445103251. The reversal of 445103240 is 42301544.

It can be written as a sum of positive squares in 4 ways, for example, as 301439044 + 143664196 = 17362^2 + 11986^2 .

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, 58955 + ... + 66074.

Almost surely, 2^445103240 is an apocalyptic number.

445103240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

445103240 is an abundant number, since it is smaller than the sum of its proper divisors (567639760).

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

445103240 is a wasteful number, since it uses less digits than its factorization.

445103240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125129 (or 125125 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 445103240 is about 21097.4699904989. The cubic root of 445103240 is about 763.5197085426.

Adding to 445103240 its reverse (42301544), we get a palindrome (487404784).

The spelling of 445103240 in words is "four hundred forty-five million, one hundred three thousand, two hundred forty".