1345057746 has 32 divisors (see below), whose sum is σ = 2711439360. Its totient is φ = 444809616.

The previous prime is 1345057699. The next prime is 1345057771. The reversal of 1345057746 is 6477505431.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1345057698 and 1345057707.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 719505 + ... + 721371.

It is an arithmetic number, because the mean of its divisors is an integer number (84732480).

Almost surely, 2^1345057746 is an apocalyptic number.

1345057746 is an abundant number, since it is smaller than the sum of its proper divisors (1366381614).

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

1345057746 is a wasteful number, since it uses less digits than its factorization.

1345057746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2758.

The product of its (nonzero) digits is 352800, while the sum is 42.

The square root of 1345057746 is about 36675.0289161440. The cubic root of 1345057746 is about 1103.8591026736.

The spelling of 1345057746 in words is "one billion, three hundred forty-five million, fifty-seven thousand, seven hundred forty-six".