145644541412 has 12 divisors (see below), whose sum is σ = 254882484780. Its totient is φ = 72820974336.

The previous prime is 145644541381. The next prime is 145644541433. The reversal of 145644541412 is 214145446541.

145644541412 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 96282366436 + 49362174976 = 310294^2 + 222176^2 .

It is a super-2 number, since 2×145644541412² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 145644541412.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44513 + ... + 541544.

It is an arithmetic number, because the mean of its divisors is an integer number (21240207065).

Almost surely, 2^145644541412 is an apocalyptic number.

It is an amenable number.

145644541412 is a deficient number, since it is larger than the sum of its proper divisors (109237943368).

145644541412 is a wasteful number, since it uses less digits than its factorization.

145644541412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 648190 (or 648188 counting only the distinct ones).

The product of its digits is 307200, while the sum is 41.

Adding to 145644541412 its reverse (214145446541), we get a palindrome (359789987953).

The spelling of 145644541412 in words is "one hundred forty-five billion, six hundred forty-four million, five hundred forty-one thousand, four hundred twelve".