1455645543212 has 48 divisors (see below), whose sum is σ = 2986164498240. Its totient is φ = 607991443200.

The previous prime is 1455645543193. The next prime is 1455645543221. The reversal of 1455645543212 is 2123455465541.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3723239 + ... + 4095582.

It is an arithmetic number, because the mean of its divisors is an integer number (62211760380).

Almost surely, 2^{1455645543212} is an apocalyptic number.

It is an amenable number.

1455645543212 is an abundant number, since it is smaller than the sum of its proper divisors (1530518955028).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1455645543212 is a wasteful number, since it uses less digits than its factorization.

1455645543212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7819002 (or 7819000 counting only the distinct ones).

The product of its digits is 2880000, while the sum is 47.

The spelling of 1455645543212 in words is "one trillion, four hundred fifty-five billion, six hundred forty-five million, five hundred forty-three thousand, two hundred twelve".