1445738692 has 48 divisors (see below), whose sum is σ = 2733696000. Its totient is φ = 667054080.

The previous prime is 1445738689. The next prime is 1445738719. The reversal of 1445738692 is 2968375441.

It is a happy number.

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 15 ways as a sum of consecutive naturals, for example, 1279984 + ... + 1281112.

It is an arithmetic number, because the mean of its divisors is an integer number (56952000).

Almost surely, 2^1445738692 is an apocalyptic number.

It is an amenable number.

1445738692 is a deficient number, since it is larger than the sum of its proper divisors (1287957308).

1445738692 is a wasteful number, since it uses less digits than its factorization.

1445738692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1636 (or 1634 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 49.

The square root of 1445738692 is about 38022.8706438638. The cubic root of 1445738692 is about 1130.7413340980.

The spelling of 1445738692 in words is "one billion, four hundred forty-five million, seven hundred thirty-eight thousand, six hundred ninety-two".