1345748210 has 32 divisors (see below), whose sum is σ = 2483851392. Its totient is φ = 524684160.

The previous prime is 1345748191. The next prime is 1345748279. The reversal of 1345748210 is 128475431.

It is a super-2 number, since 2×1345748210² = 3622076489436408200, which contains 22 as substring.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

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, 221027 + ... + 227033.

It is an arithmetic number, because the mean of its divisors is an integer number (77620356).

Almost surely, 2^1345748210 is an apocalyptic number.

1345748210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1345748210 is a deficient number, since it is larger than the sum of its proper divisors (1138103182).

1345748210 is a wasteful number, since it uses less digits than its factorization.

1345748210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6578.

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 1345748210 is about 36684.4409797941. The cubic root of 1345748210 is about 1104.0479532005.

The spelling of 1345748210 in words is "one billion, three hundred forty-five million, seven hundred forty-eight thousand, two hundred ten".