1445021662 has 24 divisors (see below), whose sum is σ = 2602756800. Its totient is φ = 599316480.

The previous prime is 1445021659. The next prime is 1445021701. The reversal of 1445021662 is 2661205441.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 234787 + ... + 240862.

It is an arithmetic number, because the mean of its divisors is an integer number (108448200).

Almost surely, 2^1445021662 is an apocalyptic number.

1445021662 is a deficient number, since it is larger than the sum of its proper divisors (1157735138).

1445021662 is a wasteful number, since it uses less digits than its factorization.

1445021662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475696 (or 475689 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 1445021662 is about 38013.4405441023. The cubic root of 1445021662 is about 1130.5543686530.

The spelling of 1445021662 in words is "one billion, four hundred forty-five million, twenty-one thousand, six hundred sixty-two".