1442172735 has 32 divisors (see below), whose sum is σ = 2565432000. Its totient is φ = 768688128.

The previous prime is 1442172727. The next prime is 1442172737. The reversal of 1442172735 is 5372712441.

It is not a de Polignac number, because 1442172735 - 2³ = 1442172727 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1442172735.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1442172737) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 431551 + ... + 434879.

It is an arithmetic number, because the mean of its divisors is an integer number (80169750).

Almost surely, 2^1442172735 is an apocalyptic number.

1442172735 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1442172735 is a deficient number, since it is larger than the sum of its proper divisors (1123259265).

1442172735 is a wasteful number, since it uses less digits than its factorization.

1442172735 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6552 (or 6546 counting only the distinct ones).

The product of its digits is 47040, while the sum is 36.

The square root of 1442172735 is about 37975.9494285528. The cubic root of 1442172735 is about 1129.8108997792.

The spelling of 1442172735 in words is "one billion, four hundred forty-two million, one hundred seventy-two thousand, seven hundred thirty-five".