1445343660501 has 48 divisors (see below), whose sum is σ = 2158794543360. Its totient is φ = 855017291520.

The previous prime is 1445343660493. The next prime is 1445343660521. The reversal of 1445343660501 is 1050663435441.

It is a happy number.

It is not a de Polignac number, because 1445343660501 - 2³ = 1445343660493 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1445343660521) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7414756 + ... + 7607186.

It is an arithmetic number, because the mean of its divisors is an integer number (44974886320).

Almost surely, 2^{1445343660501} is an apocalyptic number.

It is an amenable number.

1445343660501 is a deficient number, since it is larger than the sum of its proper divisors (713450882859).

1445343660501 is a wasteful number, since it uses less digits than its factorization.

1445343660501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192734 (or 192705 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 42.

The spelling of 1445343660501 in words is "one trillion, four hundred forty-five billion, three hundred forty-three million, six hundred sixty thousand, five hundred one".