4445020156 has 12 divisors (see below), whose sum is σ = 7779512440. Its totient is φ = 2222302320.

The previous prime is 4445020133. The next prime is 4445020169. The reversal of 4445020156 is 6510205444.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2551 + ... + 94321.

Almost surely, 2^4445020156 is an apocalyptic number.

It is an amenable number.

4445020156 is a deficient number, since it is larger than the sum of its proper divisors (3334492284).

4445020156 is a wasteful number, since it uses less digits than its factorization.

4445020156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103884 (or 103882 counting only the distinct ones).

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

The square root of 4445020156 is about 66670.9843635145. The cubic root of 4445020156 is about 1644.2123711614.

The spelling of 4445020156 in words is "four billion, four hundred forty-five million, twenty thousand, one hundred fifty-six".