1345220230 has 16 divisors (see below), whose sum is σ = 2443613040. Its totient is φ = 533151072.

The previous prime is 1345220203. The next prime is 1345220257. The reversal of 1345220230 is 320225431.

It is an interprime number because it is at equal distance from previous prime (1345220203) and next prime (1345220257).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 615984 + ... + 618163.

It is an arithmetic number, because the mean of its divisors is an integer number (152725815).

Almost surely, 2^1345220230 is an apocalyptic number.

1345220230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1345220230 is a deficient number, since it is larger than the sum of its proper divisors (1098392810).

1345220230 is a wasteful number, since it uses less digits than its factorization.

1345220230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1234263.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 1345220230 is about 36677.2440349599. The cubic root of 1345220230 is about 1103.9035498907.

Adding to 1345220230 its reverse (320225431), we get a palindrome (1665445661).

The spelling of 1345220230 in words is "one billion, three hundred forty-five million, two hundred twenty thousand, two hundred thirty".