1345254220432 has 10 divisors (see below), whose sum is σ = 2606430052118. Its totient is φ = 672627110208.

The previous prime is 1345254220403. The next prime is 1345254220447. The reversal of 1345254220432 is 2340224525431.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1298314398096 + 46939822336 = 1139436^2 + 216656^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1345254220391 and 1345254220400.

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 as a sum of consecutive naturals, namely, 42039194373 + ... + 42039194404.

Almost surely, 2^{1345254220432} is an apocalyptic number.

It is an amenable number.

1345254220432 is a deficient number, since it is larger than the sum of its proper divisors (1261175831686).

1345254220432 is an equidigital number, since it uses as much as digits as its factorization.

1345254220432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84078388785 (or 84078388779 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 37.

Adding to 1345254220432 its reverse (2340224525431), we get a palindrome (3685478745863).

The spelling of 1345254220432 in words is "one trillion, three hundred forty-five billion, two hundred fifty-four million, two hundred twenty thousand, four hundred thirty-two".