1345254452432 has 120 divisors (see below), whose sum is σ = 2907147321288. Its totient is φ = 602483650560.

The previous prime is 1345254452371. The next prime is 1345254452449. The reversal of 1345254452432 is 2342544525431.

It can be written as a sum of positive squares in 4 ways, for example, as 48671419456 + 1296583032976 = 220616^2 + 1138676^2 .

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 155032478 + ... + 155041154.

Almost surely, 2^{1345254452432} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1345254452432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1453573660644).

1345254452432 is an abundant number, since it is smaller than the sum of its proper divisors (1561892868856).

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

1345254452432 is a wasteful number, since it uses less digits than its factorization.

1345254452432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9877 (or 9860 counting only the distinct ones).

The product of its digits is 2304000, while the sum is 44.

Adding to 1345254452432 its reverse (2342544525431), we get a palindrome (3687798977863).

The spelling of 1345254452432 in words is "one trillion, three hundred forty-five billion, two hundred fifty-four million, four hundred fifty-two thousand, four hundred thirty-two".