14142402 has 48 divisors (see below), whose sum is σ = 32811480. Its totient is φ = 4386816.

The previous prime is 14142397. The next prime is 14142407. The reversal of 14142402 is 20424141.

It is an interprime number because it is at equal distance from previous prime (14142397) and next prime (14142407).

It can be written as a sum of positive squares in 4 ways, for example, as 12680721 + 1461681 = 3561^2 + 1209^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (14142407) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34374 + ... + 34782.

Almost surely, 2^14142402 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 14142402, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16405740).

14142402 is an abundant number, since it is smaller than the sum of its proper divisors (18669078).

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

14142402 is a wasteful number, since it uses less digits than its factorization.

14142402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 547 (or 544 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 14142402 is about 3760.6385096151. The cubic root of 14142402 is about 241.8286358260.

Adding to 14142402 its reverse (20424141), we get a palindrome (34566543).

The spelling of 14142402 in words is "fourteen million, one hundred forty-two thousand, four hundred two".