1445099856623 has 8 divisors (see below), whose sum is σ = 1531432816128. Its totient is φ = 1358914351104.

The previous prime is 1445099856601. The next prime is 1445099856677. The reversal of 1445099856623 is 3266589905441.

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 1445099856623 - 2⁶ = 1445099856559 is a prime.

It is a super-2 number, since 2×1445099856623² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1445099856023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36843311 + ... + 36882512.

It is an arithmetic number, because the mean of its divisors is an integer number (191429102016).

Almost surely, 2^{1445099856623} is an apocalyptic number.

1445099856623 is a deficient number, since it is larger than the sum of its proper divisors (86332959505).

1445099856623 is a wasteful number, since it uses less digits than its factorization.

1445099856623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73726993.

The product of its (nonzero) digits is 55987200, while the sum is 62.

The spelling of 1445099856623 in words is "one trillion, four hundred forty-five billion, ninety-nine million, eight hundred fifty-six thousand, six hundred twenty-three".