1445310121461 has 32 divisors (see below), whose sum is σ = 1944951816192. Its totient is φ = 954652711680.

The previous prime is 1445310121399. The next prime is 1445310121483. The reversal of 1445310121461 is 1641210135441.

It is a de Polignac number, because none of the positive numbers 2^k-1445310121461 is a prime.

It is a super-2 number, since 2×1445310121461² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1445310121261) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 216587421 + ... + 216594093.

It is an arithmetic number, because the mean of its divisors is an integer number (60779744256).

Almost surely, 2^{1445310121461} is an apocalyptic number.

It is an amenable number.

1445310121461 is a deficient number, since it is larger than the sum of its proper divisors (499641694731).

1445310121461 is a wasteful number, since it uses less digits than its factorization.

1445310121461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8393.

The product of its (nonzero) digits is 11520, while the sum is 33.

The spelling of 1445310121461 in words is "one trillion, four hundred forty-five billion, three hundred ten million, one hundred twenty-one thousand, four hundred sixty-one".