1444454142 has 64 divisors (see below), whose sum is σ = 3056901120. Its totient is φ = 454133504.

The previous prime is 1444454131. The next prime is 1444454153. The reversal of 1444454142 is 2414544441.

It is an interprime number because it is at equal distance from previous prime (1444454131) and next prime (1444454153).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5369584 + ... + 5369852.

It is an arithmetic number, because the mean of its divisors is an integer number (47764080).

Almost surely, 2^1444454142 is an apocalyptic number.

1444454142 is an abundant number, since it is smaller than the sum of its proper divisors (1612446978).

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

1444454142 is a wasteful number, since it uses less digits than its factorization.

1444454142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 697.

The product of its digits is 40960, while the sum is 33.

The square root of 1444454142 is about 38005.9750828735. The cubic root of 1444454142 is about 1130.4063440602.

Adding to 1444454142 its reverse (2414544441), we get a palindrome (3858998583).

It can be divided in two parts, 14444 and 54142, that added together give a palindrome (68586).

The spelling of 1444454142 in words is "one billion, four hundred forty-four million, four hundred fifty-four thousand, one hundred forty-two".