1445421532 has 48 divisors (see below), whose sum is σ = 2719664640. Its totient is φ = 669772800.

The previous prime is 1445421493. The next prime is 1445421559. The reversal of 1445421532 is 2351245441.

It is a junction number, because it is equal to n+sod(n) for n = 1445421494 and 1445421503.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1415182 + ... + 1416202.

It is an arithmetic number, because the mean of its divisors is an integer number (56659680).

Almost surely, 2^1445421532 is an apocalyptic number.

It is an amenable number.

1445421532 is a deficient number, since it is larger than the sum of its proper divisors (1274243108).

1445421532 is a wasteful number, since it uses less digits than its factorization.

1445421532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1342 (or 1340 counting only the distinct ones).

The product of its digits is 19200, while the sum is 31.

The square root of 1445421532 is about 38018.6997673513. The cubic root of 1445421532 is about 1130.6586423107.

Adding to 1445421532 its reverse (2351245441), we get a palindrome (3796666973).

The spelling of 1445421532 in words is "one billion, four hundred forty-five million, four hundred twenty-one thousand, five hundred thirty-two".