1345023524 has 12 divisors (see below), whose sum is σ = 2534852124. Its totient is φ = 620780064.

The previous prime is 1345023517. The next prime is 1345023541. The reversal of 1345023524 is 4253205431.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 443102500 + 901921024 = 21050^2 + 30032^2 .

It is a super-2 number, since 2×1345023524² = 3618176560226757152, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12932867 + ... + 12932970.

It is an arithmetic number, because the mean of its divisors is an integer number (211237677).

Almost surely, 2^1345023524 is an apocalyptic number.

It is an amenable number.

1345023524 is a deficient number, since it is larger than the sum of its proper divisors (1189828600).

1345023524 is a wasteful number, since it uses less digits than its factorization.

1345023524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25865854 (or 25865852 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 29.

The square root of 1345023524 is about 36674.5623559437. The cubic root of 1345023524 is about 1103.8497408484.

Adding to 1345023524 its reverse (4253205431), we get a palindrome (5598228955).

The spelling of 1345023524 in words is "one billion, three hundred forty-five million, twenty-three thousand, five hundred twenty-four".