1345400544 has 24 divisors (see below), whose sum is σ = 3531676680. Its totient is φ = 448466816.

The previous prime is 1345400531. The next prime is 1345400591. The reversal of 1345400544 is 4450045431.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7007199 + ... + 7007390.

It is an arithmetic number, because the mean of its divisors is an integer number (147153195).

Almost surely, 2^1345400544 is an apocalyptic number.

It is an amenable number.

1345400544 is an abundant number, since it is smaller than the sum of its proper divisors (2186276136).

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

1345400544 is a wasteful number, since it uses less digits than its factorization.

1345400544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14014602 (or 14014594 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

The square root of 1345400544 is about 36679.7020707639. The cubic root of 1345400544 is about 1103.9528702838.

Adding to 1345400544 its reverse (4450045431), we get a palindrome (5795445975).

The spelling of 1345400544 in words is "one billion, three hundred forty-five million, four hundred thousand, five hundred forty-four".