2421131145 has 32 divisors (see below), whose sum is σ = 4086650880. Its totient is φ = 1220621760.

The previous prime is 2421131137. The next prime is 2421131147. The reversal of 2421131145 is 5411311242.

It is not a de Polignac number, because 2421131145 - 2³ = 2421131137 is a prime.

It is a super-2 number, since 2×2421131145² = 11723752042578022050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2421131147) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 124000 + ... + 142190.

It is an arithmetic number, because the mean of its divisors is an integer number (127707840).

Almost surely, 2^2421131145 is an apocalyptic number.

It is an amenable number.

2421131145 is a deficient number, since it is larger than the sum of its proper divisors (1665519735).

2421131145 is a wasteful number, since it uses less digits than its factorization.

2421131145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18685.

The product of its digits is 960, while the sum is 24.

The square root of 2421131145 is about 49204.9910578185. The cubic root of 2421131145 is about 1342.7838363133.

Adding to 2421131145 its reverse (5411311242), we get a palindrome (7832442387).

The spelling of 2421131145 in words is "two billion, four hundred twenty-one million, one hundred thirty-one thousand, one hundred forty-five".