1296148345 has 8 divisors (see below), whose sum is σ = 1557944064. Its totient is φ = 1035207984.

The previous prime is 1296148331. The next prime is 1296148349. The reversal of 1296148345 is 5438416921.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1296148345 - 2¹⁷ = 1296017273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1296148349) 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, 210499 + ... + 216568.

It is an arithmetic number, because the mean of its divisors is an integer number (194743008).

Almost surely, 2^1296148345 is an apocalyptic number.

It is an amenable number.

1296148345 is a deficient number, since it is larger than the sum of its proper divisors (261795719).

1296148345 is an equidigital number, since it uses as much as digits as its factorization.

1296148345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427679.

The product of its digits is 207360, while the sum is 43.

The square root of 1296148345 is about 36002.0602882668. The cubic root of 1296148345 is about 1090.3139529940.

The spelling of 1296148345 in words is "one billion, two hundred ninety-six million, one hundred forty-eight thousand, three hundred forty-five".