2452421145 has 8 divisors (see below), whose sum is σ = 3923873856. Its totient is φ = 1307957936.

The previous prime is 2452421137. The next prime is 2452421149. The reversal of 2452421145 is 5411242542.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2452421145 - 2³ = 2452421137 is a prime.

It is a super-2 number, since 2×2452421145² = 12028738944886222050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2452421149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81747357 + ... + 81747386.

It is an arithmetic number, because the mean of its divisors is an integer number (490484232).

Almost surely, 2^2452421145 is an apocalyptic number.

It is an amenable number.

2452421145 is a deficient number, since it is larger than the sum of its proper divisors (1471452711).

2452421145 is a wasteful number, since it uses less digits than its factorization.

2452421145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163494751.

The product of its digits is 12800, while the sum is 30.

The square root of 2452421145 is about 49521.9259015640. The cubic root of 2452421145 is about 1348.5436778323.

Adding to 2452421145 its reverse (5411242542), we get a palindrome (7863663687).

The spelling of 2452421145 in words is "two billion, four hundred fifty-two million, four hundred twenty-one thousand, one hundred forty-five".