1445636450 has 12 divisors (see below), whose sum is σ = 2688883890. Its totient is φ = 578254560.

The previous prime is 1445636443. The next prime is 1445636461. The reversal of 1445636450 is 546365441.

It can be written as a sum of positive squares in 3 ways, for example, as 1145619409 + 300017041 = 33847^2 + 17321^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14456315 + ... + 14456414.

Almost surely, 2^1445636450 is an apocalyptic number.

1445636450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1445636450 is a deficient number, since it is larger than the sum of its proper divisors (1243247440).

1445636450 is a wasteful number, since it uses less digits than its factorization.

1445636450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28912741 (or 28912736 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 38.

The square root of 1445636450 is about 38021.5261398066. The cubic root of 1445636450 is about 1130.7146782941.

The spelling of 1445636450 in words is "one billion, four hundred forty-five million, six hundred thirty-six thousand, four hundred fifty".