2342545 has 4 divisors (see below), whose sum is σ = 2811060. Its totient is φ = 1874032.

The previous prime is 2342539. The next prime is 2342609. The reversal of 2342545 is 5452432.

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

It can be written as a sum of positive squares in 2 ways, for example, as 693889 + 1648656 = 833^2 + 1284^2 .

It is a cyclic number.

It is not a de Polignac number, because 2342545 - 2³ = 2342537 is a prime.

It is an Ulam number.

It is a d-powerful number, because it can be written as 2¹⁷ + 3⁹ + 4 + 2²¹ + 5³ + 4⁷ + 5⁷ .

2342545 is a lucky number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 234250 + ... + 234259.

It is an arithmetic number, because the mean of its divisors is an integer number (702765).

2^2342545 is an apocalyptic number.

It is an amenable number.

2342545 is a deficient number, since it is larger than the sum of its proper divisors (468515).

2342545 is an equidigital number, since it uses as much as digits as its factorization.

2342545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468514.

The product of its digits is 4800, while the sum is 25.

The square root of 2342545 is about 1530.5374872900. The cubic root of 2342545 is about 132.8095527374.

Adding to 2342545 its reverse (5452432), we get a palindrome (7794977).

The spelling of 2342545 in words is "two million, three hundred forty-two thousand, five hundred forty-five".