1345161 has 4 divisors (see below), whose sum is σ = 1793552. Its totient is φ = 896772.

The previous prime is 1345153. The next prime is 1345177. The reversal of 1345161 is 1615431.

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 not a de Polignac number, because 1345161 - 2³ = 1345153 is a prime.

It is a D-number.

It is a Duffinian number.

It is a zygodrome in base 6.

It is not an unprimeable number, because it can be changed into a prime (1345361) 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, 224191 + ... + 224196.

It is an arithmetic number, because the mean of its divisors is an integer number (448388).

2^1345161 is an apocalyptic number.

It is an amenable number.

1345161 is a deficient number, since it is larger than the sum of its proper divisors (448391).

1345161 is an equidigital number, since it uses as much as digits as its factorization.

1345161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448390.

The product of its digits is 360, while the sum is 21.

The square root of 1345161 is about 1159.8107604260. The cubic root of 1345161 is about 110.3887348041.

The spelling of 1345161 in words is "one million, three hundred forty-five thousand, one hundred sixty-one".