1345454515 has 4 divisors (see below), whose sum is σ = 1614545424. Its totient is φ = 1076363608.

The previous prime is 1345454503. The next prime is 1345454519. The reversal of 1345454515 is 5154545431.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1345454515 - 2¹⁵ = 1345421747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1345454519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 134545447 + ... + 134545456.

It is an arithmetic number, because the mean of its divisors is an integer number (403636356).

Almost surely, 2^1345454515 is an apocalyptic number.

1345454515 is a deficient number, since it is larger than the sum of its proper divisors (269090909).

1345454515 is an equidigital number, since it uses as much as digits as its factorization.

1345454515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269090908.

The product of its digits is 120000, while the sum is 37.

The square root of 1345454515 is about 36680.4377700158. The cubic root of 1345454515 is about 1103.9676318466.

Adding to 1345454515 its reverse (5154545431), we get a palindrome (6499999946).

The spelling of 1345454515 in words is "one billion, three hundred forty-five million, four hundred fifty-four thousand, five hundred fifteen".