1442154269 has 2 divisors, whose sum is σ = 1442154270. Its totient is φ = 1442154268.

The previous prime is 1442154229. The next prime is 1442154271. The reversal of 1442154269 is 9624512441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1395396025 + 46758244 = 37355^2 + 6838^2 .

It is a cyclic number.

It is not a de Polignac number, because 1442154269 - 2²⁸ = 1173718813 is a prime.

It is a super-2 number, since 2×1442154269² = 4159617871189848722, which contains 22 as substring.

Together with 1442154271, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1442154209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 721077134 + 721077135.

It is an arithmetic number, because the mean of its divisors is an integer number (721077135).

Almost surely, 2^1442154269 is an apocalyptic number.

It is an amenable number.

1442154269 is a deficient number, since it is larger than the sum of its proper divisors (1).

1442154269 is an equidigital number, since it uses as much as digits as its factorization.

1442154269 is an evil number, because the sum of its binary digits is even.

The product of its digits is 69120, while the sum is 38.

The square root of 1442154269 is about 37975.7063002125. The cubic root of 1442154269 is about 1129.8060776159.

The spelling of 1442154269 in words is "one billion, four hundred forty-two million, one hundred fifty-four thousand, two hundred sixty-nine".