1456486445 has 4 divisors (see below), whose sum is σ = 1747783740. Its totient is φ = 1165189152.

The previous prime is 1456486429. The next prime is 1456486453. The reversal of 1456486445 is 5446846541.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5446846541 = 40819 ⋅133439.

It can be written as a sum of positive squares in 2 ways, for example, as 322346116 + 1134140329 = 17954^2 + 33677^2 .

It is a cyclic number.

It is not a de Polignac number, because 1456486445 - 2⁴ = 1456486429 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1456486445.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 145648640 + ... + 145648649.

It is an arithmetic number, because the mean of its divisors is an integer number (436945935).

Almost surely, 2^1456486445 is an apocalyptic number.

It is an amenable number.

1456486445 is a deficient number, since it is larger than the sum of its proper divisors (291297295).

1456486445 is an equidigital number, since it uses as much as digits as its factorization.

1456486445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291297294.

The product of its digits is 1843200, while the sum is 47.

The square root of 1456486445 is about 38163.9416858374. The cubic root of 1456486445 is about 1133.5364304899.

The spelling of 1456486445 in words is "one billion, four hundred fifty-six million, four hundred eighty-six thousand, four hundred forty-five".