1455645543213 has 32 divisors (see below), whose sum is σ = 2068521154560. Its totient is φ = 907885238400.

The previous prime is 1455645543193. The next prime is 1455645543221. The reversal of 1455645543213 is 3123455465541.

It is a happy number.

It is not a de Polignac number, because 1455645543213 - 2⁸ = 1455645542957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1455645543263) 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, 11057145 + ... + 11188017.

It is an arithmetic number, because the mean of its divisors is an integer number (64641286080).

Almost surely, 2^{1455645543213} is an apocalyptic number.

It is an amenable number.

1455645543213 is a deficient number, since it is larger than the sum of its proper divisors (612875611347).

1455645543213 is a wasteful number, since it uses less digits than its factorization.

1455645543213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133329.

The product of its digits is 4320000, while the sum is 48.

The spelling of 1455645543213 in words is "one trillion, four hundred fifty-five billion, six hundred forty-five million, five hundred forty-three thousand, two hundred thirteen".