1442564431 has 8 divisors (see below), whose sum is σ = 1798521984. Its totient is φ = 1124076120.

The previous prime is 1442564423. The next prime is 1442564437. The reversal of 1442564431 is 1344652441.

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 1442564431 - 2³ = 1442564423 is a prime.

It is a super-2 number, since 2×1442564431² = 4161984275172707522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1442564437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9367225 + ... + 9367378.

It is an arithmetic number, because the mean of its divisors is an integer number (224815248).

Almost surely, 2^1442564431 is an apocalyptic number.

1442564431 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1442564431 is a deficient number, since it is larger than the sum of its proper divisors (355957553).

1442564431 is a wasteful number, since it uses less digits than its factorization.

1442564431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18734621.

The product of its digits is 46080, while the sum is 34.

The square root of 1442564431 is about 37981.1062371806. The cubic root of 1442564431 is about 1129.9131765593.

The spelling of 1442564431 in words is "one billion, four hundred forty-two million, five hundred sixty-four thousand, four hundred thirty-one".