1445830673 has 16 divisors (see below), whose sum is σ = 1673518080. Its totient is φ = 1223503056.

The previous prime is 1445830651. The next prime is 1445830679. The reversal of 1445830673 is 3760385441.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1445830673 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1445830673.

It is not an unprimeable number, because it can be changed into a prime (1445830679) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 247298 + ... + 253076.

It is an arithmetic number, because the mean of its divisors is an integer number (104594880).

Almost surely, 2^1445830673 is an apocalyptic number.

It is an amenable number.

1445830673 is a deficient number, since it is larger than the sum of its proper divisors (227687407).

1445830673 is a wasteful number, since it uses less digits than its factorization.

1445830673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6236.

The product of its (nonzero) digits is 241920, while the sum is 41.

The square root of 1445830673 is about 38024.0801729641. The cubic root of 1445830673 is about 1130.7653136533.

The spelling of 1445830673 in words is "one billion, four hundred forty-five million, eight hundred thirty thousand, six hundred seventy-three".