1345163541 has 4 divisors (see below), whose sum is σ = 1793551392. Its totient is φ = 896775692.

The previous prime is 1345163509. The next prime is 1345163543. The reversal of 1345163541 is 1453615431.

It is a happy number.

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.

It is a cyclic number.

It is not a de Polignac number, because 1345163541 - 2⁵ = 1345163509 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1345163543) 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, 224193921 + ... + 224193926.

It is an arithmetic number, because the mean of its divisors is an integer number (448387848).

Almost surely, 2^1345163541 is an apocalyptic number.

It is an amenable number.

1345163541 is a deficient number, since it is larger than the sum of its proper divisors (448387851).

1345163541 is an equidigital number, since it uses as much as digits as its factorization.

1345163541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448387850.

The product of its digits is 21600, while the sum is 33.

The square root of 1345163541 is about 36676.4712179348. The cubic root of 1345163541 is about 1103.8880431193. Note that the first 3 decimals are identical.

Adding to 1345163541 its reverse (1453615431), we get a palindrome (2798778972).

The spelling of 1345163541 in words is "one billion, three hundred forty-five million, one hundred sixty-three thousand, five hundred forty-one".