145535446312 has 32 divisors (see below), whose sum is σ = 279569482920. Its totient is φ = 70984028160.

The previous prime is 145535446307. The next prime is 145535446321. The reversal of 145535446312 is 213644535541.

It can be written as a sum of positive squares in 4 ways, for example, as 35241051076 + 110294395236 = 187726^2 + 332106^2 .

It is a super-2 number, since 2×145535446312² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3157738 + ... + 3203494.

Almost surely, 2^145535446312 is an apocalyptic number.

It is an amenable number.

145535446312 is a deficient number, since it is larger than the sum of its proper divisors (134034036608).

145535446312 is a wasteful number, since it uses less digits than its factorization.

145535446312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55501 (or 55497 counting only the distinct ones).

The product of its digits is 864000, while the sum is 43.

The spelling of 145535446312 in words is "one hundred forty-five billion, five hundred thirty-five million, four hundred forty-six thousand, three hundred twelve".