1455216445 has 16 divisors (see below), whose sum is σ = 1774985472. Its totient is φ = 1145174400.

The previous prime is 1455216443. The next prime is 1455216467. The reversal of 1455216445 is 5446125541.

It is not a de Polignac number, because 1455216445 - 2¹ = 1455216443 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1455216443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68409 + ... + 87121.

It is an arithmetic number, because the mean of its divisors is an integer number (110936592).

Almost surely, 2^1455216445 is an apocalyptic number.

It is an amenable number.

1455216445 is a deficient number, since it is larger than the sum of its proper divisors (319769027).

1455216445 is a wasteful number, since it uses less digits than its factorization.

1455216445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18972.

The product of its digits is 96000, while the sum is 37.

The square root of 1455216445 is about 38147.2993146304. The cubic root of 1455216445 is about 1133.2068680013.

The spelling of 1455216445 in words is "one billion, four hundred fifty-five million, two hundred sixteen thousand, four hundred forty-five".