1443014141 has 4 divisors (see below), whose sum is σ = 1462781532. Its totient is φ = 1423246752.

The previous prime is 1443014119. The next prime is 1443014143. The reversal of 1443014141 is 1414103441.

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

It can be written as a sum of positive squares in 2 ways, for example, as 885062500 + 557951641 = 29750^2 + 23621^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1443014141 is a prime.

It is a super-2 number, since 2×1443014141² = 4164579622251935762, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1443014143) 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, 9883586 + ... + 9883731.

It is an arithmetic number, because the mean of its divisors is an integer number (365695383).

Almost surely, 2^1443014141 is an apocalyptic number.

It is an amenable number.

1443014141 is a deficient number, since it is larger than the sum of its proper divisors (19767391).

1443014141 is an equidigital number, since it uses as much as digits as its factorization.

1443014141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19767390.

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 1443014141 is about 37987.0259562393. The cubic root of 1443014141 is about 1130.0305787011.

Adding to 1443014141 its reverse (1414103441), we get a palindrome (2857117582).

The spelling of 1443014141 in words is "one billion, four hundred forty-three million, fourteen thousand, one hundred forty-one".