1442312146 has 32 divisors (see below), whose sum is σ = 2380352832. Its totient is φ = 650012160.

The previous prime is 1442312143. The next prime is 1442312153. The reversal of 1442312146 is 6412132441.

It is not an unprimeable number, because it can be changed into a prime (1442312143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1682550 + ... + 1683406.

It is an arithmetic number, because the mean of its divisors is an integer number (74386026).

Almost surely, 2^1442312146 is an apocalyptic number.

1442312146 is a deficient number, since it is larger than the sum of its proper divisors (938040686).

1442312146 is a wasteful number, since it uses less digits than its factorization.

1442312146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1434.

The product of its digits is 4608, while the sum is 28.

The square root of 1442312146 is about 37977.7849011761. The cubic root of 1442312146 is about 1129.8473038771.

Adding to 1442312146 its reverse (6412132441), we get a palindrome (7854444587).

It can be divided in two parts, 14423 and 12146, that added together give a square (26569 = 163²).

The spelling of 1442312146 in words is "one billion, four hundred forty-two million, three hundred twelve thousand, one hundred forty-six".