1451141441 has 4 divisors (see below), whose sum is σ = 1469510400. Its totient is φ = 1432772484.

The previous prime is 1451141399. The next prime is 1451141453. The reversal of 1451141441 is 1441411541.

It is a happy number.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1451141441 is a prime.

It is a super-2 number, since 2×1451141441² = 4211622963575112962, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1451141441.

It is not an unprimeable number, because it can be changed into a prime (1451146441) 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, 9184361 + ... + 9184518.

It is an arithmetic number, because the mean of its divisors is an integer number (367377600).

Almost surely, 2^1451141441 is an apocalyptic number.

It is an amenable number.

1451141441 is a deficient number, since it is larger than the sum of its proper divisors (18368959).

1451141441 is an equidigital number, since it uses as much as digits as its factorization.

1451141441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18368958.

The product of its digits is 1280, while the sum is 26.

The square root of 1451141441 is about 38093.8504354706. The cubic root of 1451141441 is about 1132.1481160787.

Adding to 1451141441 its reverse (1441411541), we get a palindrome (2892552982).

The spelling of 1451141441 in words is "one billion, four hundred fifty-one million, one hundred forty-one thousand, four hundred forty-one".