1445645829 has 8 divisors (see below), whose sum is σ = 1940464800. Its totient is φ = 957295376.

The previous prime is 1445645827. The next prime is 1445645843. The reversal of 1445645829 is 9285465441.

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 1445645829 - 2¹ = 1445645827 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1445645821) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1616607 + ... + 1617500.

It is an arithmetic number, because the mean of its divisors is an integer number (242558100).

Almost surely, 2^1445645829 is an apocalyptic number.

It is an amenable number.

1445645829 is a deficient number, since it is larger than the sum of its proper divisors (494818971).

1445645829 is a wasteful number, since it uses less digits than its factorization.

1445645829 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3234259.

The product of its digits is 1382400, while the sum is 48.

The square root of 1445645829 is about 38021.6494776331. The cubic root of 1445645829 is about 1130.7171235724.

The spelling of 1445645829 in words is "one billion, four hundred forty-five million, six hundred forty-five thousand, eight hundred twenty-nine".