1144450151 has 4 divisors (see below), whose sum is σ = 1232484792. Its totient is φ = 1056415512.

The previous prime is 1144450121. The next prime is 1144450193. The reversal of 1144450151 is 1510544411.

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

It is a cyclic number.

It is not a de Polignac number, because 1144450151 - 2²² = 1140255847 is a prime.

It is a super-2 number, since 2×1144450151² = 2619532296247845602, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1144450151.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144450121) 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, 44017301 + ... + 44017326.

It is an arithmetic number, because the mean of its divisors is an integer number (308121198).

Almost surely, 2^1144450151 is an apocalyptic number.

1144450151 is a deficient number, since it is larger than the sum of its proper divisors (88034641).

1144450151 is an equidigital number, since it uses as much as digits as its factorization.

1144450151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88034640.

The product of its (nonzero) digits is 1600, while the sum is 26.

The square root of 1144450151 is about 33829.7228927463. The cubic root of 1144450151 is about 1046.0014669356.

Adding to 1144450151 its reverse (1510544411), we get a palindrome (2654994562).

The spelling of 1144450151 in words is "one billion, one hundred forty-four million, four hundred fifty thousand, one hundred fifty-one".