745142448 has 40 divisors (see below), whose sum is σ = 1944022896. Its totient is φ = 245920000.

The previous prime is 745142441. The next prime is 745142449. The reversal of 745142448 is 844241547.

745142448 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×745142448² = 1110474535622865408, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (745142441) 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, 72003 + ... + 81698.

Almost surely, 2^745142448 is an apocalyptic number.

It is an amenable number.

745142448 is an abundant number, since it is smaller than the sum of its proper divisors (1198880448).

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

745142448 is a wasteful number, since it uses less digits than its factorization.

745142448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153813 (or 153807 counting only the distinct ones).

The product of its digits is 143360, while the sum is 39.

The square root of 745142448 is about 27297.2974486486. The cubic root of 745142448 is about 906.5945446764.

Subtracting 745142448 from its reverse (844241547), we obtain a palindrome (99099099).

The spelling of 745142448 in words is "seven hundred forty-five million, one hundred forty-two thousand, four hundred forty-eight".