145553320412 has 6 divisors (see below), whose sum is σ = 254718310728. Its totient is φ = 72776660204.

The previous prime is 145553320403. The next prime is 145553320417. The reversal of 145553320412 is 214023355541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145553320417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18194165048 + ... + 18194165055.

It is an arithmetic number, because the mean of its divisors is an integer number (42453051788).

Almost surely, 2^145553320412 is an apocalyptic number.

It is an amenable number.

145553320412 is a deficient number, since it is larger than the sum of its proper divisors (109164990316).

145553320412 is a wasteful number, since it uses less digits than its factorization.

145553320412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36388330107 (or 36388330105 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 35.

Adding to 145553320412 its reverse (214023355541), we get a palindrome (359576675953).

The spelling of 145553320412 in words is "one hundred forty-five billion, five hundred fifty-three million, three hundred twenty thousand, four hundred twelve".