1442663145 has 192 divisors, whose sum is σ = 3302208000. Its totient is φ = 576898560.

The previous prime is 1442663143. The next prime is 1442663149. The reversal of 1442663145 is 5413662441.

1442663145 is a `hidden beast` number, since 14 + 4 + 2 + 6 + 631 + 4 + 5 = 666.

It is not a de Polignac number, because 1442663145 - 2¹ = 1442663143 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1442663143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 4923619 + ... + 4923911.

It is an arithmetic number, because the mean of its divisors is an integer number (17199000).

Almost surely, 2^1442663145 is an apocalyptic number.

1442663145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1442663145 is an abundant number, since it is smaller than the sum of its proper divisors (1859544855).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1442663145 is a wasteful number, since it uses less digits than its factorization.

1442663145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365 (or 348 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

The square root of 1442663145 is about 37982.4057294953. The cubic root of 1442663145 is about 1129.9389491124.

The spelling of 1442663145 in words is "one billion, four hundred forty-two million, six hundred sixty-three thousand, one hundred forty-five".