145634447412 has 36 divisors (see below), whose sum is σ = 368744106276. Its totient is φ = 48464035200.

The previous prime is 145634447393. The next prime is 145634447429. The reversal of 145634447412 is 214744436541.

145634447412 is a `hidden beast` number, since 1 + 4 + 5 + 634 + 4 + 4 + 7 + 4 + 1 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 123660535716 + 21973911696 = 351654^2 + 148236^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 3343923 + ... + 3387194.

It is an arithmetic number, because the mean of its divisors is an integer number (10242891841).

Almost surely, 2^145634447412 is an apocalyptic number.

145634447412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

145634447412 is an abundant number, since it is smaller than the sum of its proper divisors (223109658864).

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

145634447412 is a wasteful number, since it uses less digits than its factorization.

145634447412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6731728 (or 6731723 counting only the distinct ones).

The product of its digits is 1290240, while the sum is 45.

The spelling of 145634447412 in words is "one hundred forty-five billion, six hundred thirty-four million, four hundred forty-seven thousand, four hundred twelve".