2454145 has 4 divisors (see below), whose sum is σ = 2944980. Its totient is φ = 1963312.

The previous prime is 2454131. The next prime is 2454149. The reversal of 2454145 is 5414542.

It is a happy number.

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 690561 + 1763584 = 831^2 + 1328^2 .

It is a cyclic number.

It is not a de Polignac number, because 2454145 - 2⁵ = 2454113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2454149) 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, 245410 + ... + 245419.

It is an arithmetic number, because the mean of its divisors is an integer number (736245).

2^2454145 is an apocalyptic number.

It is an amenable number.

2454145 is a deficient number, since it is larger than the sum of its proper divisors (490835).

2454145 is an equidigital number, since it uses as much as digits as its factorization.

2454145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 490834.

The product of its digits is 3200, while the sum is 25.

The square root of 2454145 is about 1566.5710963758. The cubic root of 2454145 is about 134.8859576441.

Adding to 2454145 its reverse (5414542), we get a palindrome (7868687).

The spelling of 2454145 in words is "two million, four hundred fifty-four thousand, one hundred forty-five".