1345654454431 has 16 divisors (see below), whose sum is σ = 1611059788800. Its totient is φ = 1099548279648.

The previous prime is 1345654454381. The next prime is 1345654454447. The reversal of 1345654454431 is 1344544565431.

It is not a de Polignac number, because 1345654454431 - 2⁷ = 1345654454303 is a prime.

It is a super-2 number, since 2×1345654454431² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1345654454471) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41938645 + ... + 41970718.

It is an arithmetic number, because the mean of its divisors is an integer number (100691236800).

Almost surely, 2^{1345654454431} is an apocalyptic number.

1345654454431 is a deficient number, since it is larger than the sum of its proper divisors (265405334369).

1345654454431 is an equidigital number, since it uses as much as digits as its factorization.

1345654454431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83909478.

The product of its digits is 6912000, while the sum is 49.

The spelling of 1345654454431 in words is "one trillion, three hundred forty-five billion, six hundred fifty-four million, four hundred fifty-four thousand, four hundred thirty-one".