1445630983 has 8 divisors (see below), whose sum is σ = 1512603648. Its totient is φ = 1379001624.

The previous prime is 1445630939. The next prime is 1445630993. The reversal of 1445630983 is 3890365441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1445630983 - 2¹³ = 1445622791 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1445630993) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 77191 + ... + 94072.

It is an arithmetic number, because the mean of its divisors is an integer number (189075456).

Almost surely, 2^1445630983 is an apocalyptic number.

1445630983 is a deficient number, since it is larger than the sum of its proper divisors (66972665).

1445630983 is a wasteful number, since it uses less digits than its factorization.

1445630983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171653.

The product of its (nonzero) digits is 311040, while the sum is 43.

The square root of 1445630983 is about 38021.4542462542. The cubic root of 1445630983 is about 1130.7132529416.

The spelling of 1445630983 in words is "one billion, four hundred forty-five million, six hundred thirty thousand, nine hundred eighty-three".