445703307494 has 8 divisors (see below), whose sum is σ = 668598417288. Its totient is φ = 222837168400.

The previous prime is 445703307493. The next prime is 445703307503. The reversal of 445703307494 is 494703307544.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×445703307494² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445703307493) 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, 7204172 + ... + 7265775.

It is an arithmetic number, because the mean of its divisors is an integer number (83574802161).

Almost surely, 2^445703307494 is an apocalyptic number.

445703307494 is a deficient number, since it is larger than the sum of its proper divisors (222895109794).

445703307494 is a wasteful number, since it uses less digits than its factorization.

445703307494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14485350.

The product of its (nonzero) digits is 5080320, while the sum is 50.

Adding to 445703307494 its sum of digits (50), we get a palindrome (445703307544).

The spelling of 445703307494 in words is "four hundred forty-five billion, seven hundred three million, three hundred seven thousand, four hundred ninety-four".