1345405425422 has 4 divisors (see below), whose sum is σ = 2018108138136. Its totient is φ = 672702712710.

The previous prime is 1345405425407. The next prime is 1345405425437. The reversal of 1345405425422 is 2245245045431.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (1345405425407) and next prime (1345405425437).

It is a self number, because there is not a number n which added to its sum of digits gives 1345405425422.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336351356354 + ... + 336351356357.

It is an arithmetic number, because the mean of its divisors is an integer number (504527034534).

Almost surely, 2^{1345405425422} is an apocalyptic number.

1345405425422 is a deficient number, since it is larger than the sum of its proper divisors (672702712714).

1345405425422 is an equidigital number, since it uses as much as digits as its factorization.

1345405425422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 672702712713.

The product of its (nonzero) digits is 768000, while the sum is 41.

The spelling of 1345405425422 in words is "one trillion, three hundred forty-five billion, four hundred five million, four hundred twenty-five thousand, four hundred twenty-two".