1402442142 has 16 divisors (see below), whose sum is σ = 2816525712. Its totient is φ = 465540480.

The previous prime is 1402442137. The next prime is 1402442143. The reversal of 1402442142 is 2412442041.

It is a super-3 number, since 3×1402442142³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1402442143) 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, 483493 + ... + 486384.

It is an arithmetic number, because the mean of its divisors is an integer number (176032857).

Almost surely, 2^1402442142 is an apocalyptic number.

1402442142 is an abundant number, since it is smaller than the sum of its proper divisors (1414083570).

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

1402442142 is a wasteful number, since it uses less digits than its factorization.

1402442142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 970123.

The product of its (nonzero) digits is 2048, while the sum is 24.

The square root of 1402442142 is about 37449.1941435326. The cubic root of 1402442142 is about 1119.3390397563.

Adding to 1402442142 its reverse (2412442041), we get a palindrome (3814884183).

The spelling of 1402442142 in words is "one billion, four hundred two million, four hundred forty-two thousand, one hundred forty-two".