1443426157 has 8 divisors (see below), whose sum is σ = 1594783296. Its totient is φ = 1299452352.

The previous prime is 1443426151. The next prime is 1443426161. The reversal of 1443426157 is 7516243441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1443426157 - 2¹⁵ = 1443393389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1443426151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1845423 + ... + 1846204.

It is an arithmetic number, because the mean of its divisors is an integer number (199347912).

Almost surely, 2^1443426157 is an apocalyptic number.

1443426157 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

1443426157 is a deficient number, since it is larger than the sum of its proper divisors (151357139).

1443426157 is a wasteful number, since it uses less digits than its factorization.

1443426157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3691667.

The product of its digits is 80640, while the sum is 37.

The square root of 1443426157 is about 37992.4486839161. The cubic root of 1443426157 is about 1130.1381189670.

Adding to 1443426157 its reverse (7516243441), we get a palindrome (8959669598).

The spelling of 1443426157 in words is "one billion, four hundred forty-three million, four hundred twenty-six thousand, one hundred fifty-seven".