1442172605 has 16 divisors (see below), whose sum is σ = 1741996800. Its totient is φ = 1146169920.

The previous prime is 1442172593. The next prime is 1442172619. The reversal of 1442172605 is 5062712441.

It is not a de Polignac number, because 1442172605 - 2¹⁰ = 1442171581 is a prime.

It is a super-2 number, since 2×1442172605² = 4159723645224972050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 607070 + ... + 609440.

It is an arithmetic number, because the mean of its divisors is an integer number (108874800).

Almost surely, 2^1442172605 is an apocalyptic number.

It is an amenable number.

1442172605 is a deficient number, since it is larger than the sum of its proper divisors (299824195).

1442172605 is a wasteful number, since it uses less digits than its factorization.

1442172605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3124.

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 1442172605 is about 37975.9477169432. The cubic root of 1442172605 is about 1129.8108658315.

The spelling of 1442172605 in words is "one billion, four hundred forty-two million, one hundred seventy-two thousand, six hundred five".