743245146 has 96 divisors (see below), whose sum is σ = 1919998080. Its totient is φ = 211087296.

The previous prime is 743245133. The next prime is 743245157. The reversal of 743245146 is 641542347.

It is a super-2 number, since 2×743245146² = 1104826694105122632, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 743245146.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 669640 + ... + 670748.

It is an arithmetic number, because the mean of its divisors is an integer number (19999980).

Almost surely, 2^743245146 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 743245146, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (959999040).

743245146 is an abundant number, since it is smaller than the sum of its proper divisors (1176752934).

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

743245146 is a wasteful number, since it uses less digits than its factorization.

743245146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1330 (or 1318 counting only the distinct ones).

The product of its digits is 80640, while the sum is 36.

The square root of 743245146 is about 27262.5227372670. The cubic root of 743245146 is about 905.8244254310.

The spelling of 743245146 in words is "seven hundred forty-three million, two hundred forty-five thousand, one hundred forty-six".