145836722312 has 12 divisors (see below), whose sum is σ = 273445879605. Its totient is φ = 72917821088.

The previous prime is 145836722309. The next prime is 145836722323. The reversal of 145836722312 is 213227638541.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 134317852036 + 11518870276 = 366494^2 + 107326^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=270034.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1012628 + ... + 1147644.

Almost surely, 2^145836722312 is an apocalyptic number.

It is an amenable number.

145836722312 is a deficient number, since it is larger than the sum of its proper divisors (127609157293).

145836722312 is an frugal number, since it uses more digits than its factorization.

145836722312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270040 (or 135019 counting only the distinct ones).

The product of its digits is 483840, while the sum is 44.

The spelling of 145836722312 in words is "one hundred forty-five billion, eight hundred thirty-six million, seven hundred twenty-two thousand, three hundred twelve".