1345515401 has 4 divisors (see below), whose sum is σ = 1345623312. Its totient is φ = 1345407492.

The previous prime is 1345515361. The next prime is 1345515403. The reversal of 1345515401 is 1045155431.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1345515401 - 2¹⁰ = 1345514377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1345515403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32375 + ... + 61148.

It is an arithmetic number, because the mean of its divisors is an integer number (336405828).

Almost surely, 2^1345515401 is an apocalyptic number.

It is an amenable number.

1345515401 is a deficient number, since it is larger than the sum of its proper divisors (107911).

1345515401 is an equidigital number, since it uses as much as digits as its factorization.

1345515401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107910.

The product of its (nonzero) digits is 6000, while the sum is 29.

The square root of 1345515401 is about 36681.2677125532. The cubic root of 1345515401 is about 1103.9842842513.

The spelling of 1345515401 in words is "one billion, three hundred forty-five million, five hundred fifteen thousand, four hundred one".