1445540551351 has 4 divisors (see below), whose sum is σ = 1556735978392. Its totient is φ = 1334345124312.

The previous prime is 1445540551249. The next prime is 1445540551381. The reversal of 1445540551351 is 1531550455441.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1445540551351 - 2³¹ = 1443393067703 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1445540551298 and 1445540551307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1445540551381) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55597713501 + ... + 55597713526.

It is an arithmetic number, because the mean of its divisors is an integer number (389183994598).

Almost surely, 2^{1445540551351} is an apocalyptic number.

1445540551351 is a deficient number, since it is larger than the sum of its proper divisors (111195427041).

1445540551351 is a wasteful number, since it uses less digits than its factorization.

1445540551351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111195427040.

The product of its (nonzero) digits is 600000, while the sum is 43.

The spelling of 1445540551351 in words is "one trillion, four hundred forty-five billion, five hundred forty million, five hundred fifty-one thousand, three hundred fifty-one".