1002144342 has 16 divisors (see below), whose sum is σ = 2022027120. Its totient is φ = 331091712.

The previous prime is 1002144281. The next prime is 1002144343. The reversal of 1002144342 is 2434412001.

It is a super-2 number, since 2×1002144342² = 2008586564405225928, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002144343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 738367 + ... + 739722.

It is an arithmetic number, because the mean of its divisors is an integer number (126376695).

Almost surely, 2^1002144342 is an apocalyptic number.

1002144342 is an abundant number, since it is smaller than the sum of its proper divisors (1019882778).

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

1002144342 is a wasteful number, since it uses less digits than its factorization.

1002144342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1478207.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 1002144342 is about 31656.6634691655. The cubic root of 1002144342 is about 1000.7142703630.

Adding to 1002144342 its reverse (2434412001), we get a palindrome (3436556343).

The spelling of 1002144342 in words is "one billion, two million, one hundred forty-four thousand, three hundred forty-two".