1449453802 has 4 divisors (see below), whose sum is σ = 2174180706. Its totient is φ = 724726900.

The previous prime is 1449453787. The next prime is 1449453809. The reversal of 1449453802 is 2083549441.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1334513961 + 114939841 = 36531^2 + 10721^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (1449453809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 362363449 + ... + 362363452.

Almost surely, 2^1449453802 is an apocalyptic number.

1449453802 is a deficient number, since it is larger than the sum of its proper divisors (724726904).

1449453802 is an equidigital number, since it uses as much as digits as its factorization.

1449453802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 724726903.

The product of its (nonzero) digits is 138240, while the sum is 40.

The square root of 1449453802 is about 38071.6929226952. The cubic root of 1449453802 is about 1131.7090597559.

The spelling of 1449453802 in words is "one billion, four hundred forty-nine million, four hundred fifty-three thousand, eight hundred two".