142302402 has 48 divisors (see below), whose sum is σ = 337296960. Its totient is φ = 43000800.

The previous prime is 142302401. The next prime is 142302491. The reversal of 142302402 is 204203241.

142302402 is a `hidden beast` number, since 1 + 423 + 0 + 240 + 2 = 666.

142302402 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×142302402² = 40499947229939208, which contains 22 as substring.

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 (142302401) 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, 90499 + ... + 92057.

It is an arithmetic number, because the mean of its divisors is an integer number (7027020).

Almost surely, 2^142302402 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142302402, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (168648480).

142302402 is an abundant number, since it is smaller than the sum of its proper divisors (194994558).

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

142302402 is a wasteful number, since it uses less digits than its factorization.

142302402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2039 (or 2036 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 142302402 is about 11929.0570457182. The cubic root of 142302402 is about 522.0804253586.

Adding to 142302402 its reverse (204203241), we get a palindrome (346505643).

The spelling of 142302402 in words is "one hundred forty-two million, three hundred two thousand, four hundred two".