142453402 has 16 divisors (see below), whose sum is σ = 262991232. Its totient is φ = 56355120.

The previous prime is 142453397. The next prime is 142453417. The reversal of 142453402 is 204354241.

It is a happy number.

142453402 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 391174 + ... + 391537.

It is an arithmetic number, because the mean of its divisors is an integer number (16436952).

Almost surely, 2^142453402 is an apocalyptic number.

142453402 is a deficient number, since it is larger than the sum of its proper divisors (120537830).

142453402 is a wasteful number, since it uses less digits than its factorization.

142453402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 782733.

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 142453402 is about 11935.3844512860. The cubic root of 142453402 is about 522.2650234993.

The spelling of 142453402 in words is "one hundred forty-two million, four hundred fifty-three thousand, four hundred two".