1423144145 has 16 divisors (see below), whose sum is σ = 1732473792. Its totient is φ = 1122114240.

The previous prime is 1423144141. The next prime is 1423144183. The reversal of 1423144145 is 5414413241.

It is not a de Polignac number, because 1423144145 - 2² = 1423144141 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1423144141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 179975 + ... + 187715.

It is an arithmetic number, because the mean of its divisors is an integer number (108279612).

Almost surely, 2^1423144145 is an apocalyptic number.

It is an amenable number.

1423144145 is a deficient number, since it is larger than the sum of its proper divisors (309329647).

1423144145 is an equidigital number, since it uses as much as digits as its factorization.

1423144145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8272.

The product of its digits is 7680, while the sum is 29.

The square root of 1423144145 is about 37724.5827677391. The cubic root of 1423144145 is about 1124.8198282659.

Adding to 1423144145 its reverse (5414413241), we get a palindrome (6837557386).

The spelling of 1423144145 in words is "one billion, four hundred twenty-three million, one hundred forty-four thousand, one hundred forty-five".