445140024 has 64 divisors (see below), whose sum is σ = 1315699200. Its totient is φ = 122795904.

The previous prime is 445140023. The next prime is 445140029. The reversal of 445140024 is 420041544.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 445139976 and 445140003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445140023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40812 + ... + 50555.

It is an arithmetic number, because the mean of its divisors is an integer number (20557800).

Almost surely, 2^445140024 is an apocalyptic number.

It is an amenable number.

445140024 is an abundant number, since it is smaller than the sum of its proper divisors (870559176).

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

445140024 is a wasteful number, since it uses less digits than its factorization.

445140024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91412 (or 91408 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 24.

The square root of 445140024 is about 21098.3417357858. The cubic root of 445140024 is about 763.5407407683.

Adding to 445140024 its reverse (420041544), we get a palindrome (865181568).

The spelling of 445140024 in words is "four hundred forty-five million, one hundred forty thousand, twenty-four".