1345445134 has 16 divisors (see below), whose sum is σ = 2261142576. Its totient is φ = 595036800.

The previous prime is 1345445107. The next prime is 1345445137. The reversal of 1345445134 is 4315445431.

It is a self number, because there is not a number n which added to its sum of digits gives 1345445134.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1345445137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 825627 + ... + 827254.

It is an arithmetic number, because the mean of its divisors is an integer number (141321411).

Almost surely, 2^1345445134 is an apocalyptic number.

1345445134 is a deficient number, since it is larger than the sum of its proper divisors (915697442).

1345445134 is a wasteful number, since it uses less digits than its factorization.

1345445134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1652931.

The product of its digits is 57600, while the sum is 34.

The square root of 1345445134 is about 36680.3098950922. The cubic root of 1345445134 is about 1103.9650660855.

The spelling of 1345445134 in words is "one billion, three hundred forty-five million, four hundred forty-five thousand, one hundred thirty-four".