1345441143125 has 10 divisors (see below), whose sum is σ = 1681263253230. Its totient is φ = 1076352914000.

The previous prime is 1345441143103. The next prime is 1345441143139. The reversal of 1345441143125 is 5213411445431.

It can be written as a sum of positive squares in 5 ways, for example, as 965563682161 + 379877460964 = 982631^2 + 616342^2 .

It is not a de Polignac number, because 1345441143125 - 2³² = 1341146175829 is a prime.

It is a super-2 number, since 2×1345441143125² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1076352290 + ... + 1076353539.

It is an arithmetic number, because the mean of its divisors is an integer number (168126325323).

Almost surely, 2^{1345441143125} is an apocalyptic number.

It is an amenable number.

1345441143125 is a deficient number, since it is larger than the sum of its proper divisors (335822110105).

1345441143125 is an frugal number, since it uses more digits than its factorization.

1345441143125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2152705849 (or 2152705834 counting only the distinct ones).

The product of its digits is 115200, while the sum is 38.

Adding to 1345441143125 its reverse (5213411445431), we get a palindrome (6558852588556).

The spelling of 1345441143125 in words is "one trillion, three hundred forty-five billion, four hundred forty-one million, one hundred forty-three thousand, one hundred twenty-five".