145246331543312 has 20 divisors (see below), whose sum is σ = 281547949999260. Its totient is φ = 72588796059648.

The previous prime is 145246331543311. The next prime is 145246331543329. The reversal of 145246331543312 is 213345133642541.

145246331543312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 20329854570496 + 124916476972816 = 4508864^2 + 11176604^2 .

It is not an unprimeable number, because it can be changed into a prime (145246331543311) 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, 2148072137 + ... + 2148139752.

It is an arithmetic number, because the mean of its divisors is an integer number (14077397499963).

Almost surely, 2^{145246331543312} is an apocalyptic number.

It is an amenable number.

145246331543312 is a deficient number, since it is larger than the sum of its proper divisors (136301618455948).

145246331543312 is a wasteful number, since it uses less digits than its factorization.

145246331543312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4296214010 (or 4296214004 counting only the distinct ones).

The product of its digits is 3110400, while the sum is 47.

The spelling of 145246331543312 in words is "one hundred forty-five trillion, two hundred forty-six billion, three hundred thirty-one million, five hundred forty-three thousand, three hundred twelve".