453978145999 has 8 divisors (see below), whose sum is σ = 518879892608. Its totient is φ = 389088330840.

The previous prime is 453978145981. The next prime is 453978146047. The reversal of 453978145999 is 999541879354.

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 453978145999 - 2⁹ = 453978145487 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (453978145909) 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, 2901177 + ... + 3053650.

It is an arithmetic number, because the mean of its divisors is an integer number (64859986576).

Almost surely, 2^453978145999 is an apocalyptic number.

453978145999 is a deficient number, since it is larger than the sum of its proper divisors (64901746609).

453978145999 is a wasteful number, since it uses less digits than its factorization.

453978145999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5965725.

The product of its digits is 440899200, while the sum is 73.

The spelling of 453978145999 in words is "four hundred fifty-three billion, nine hundred seventy-eight million, one hundred forty-five thousand, nine hundred ninety-nine".