142402065 has 32 divisors (see below), whose sum is σ = 253295616. Its totient is φ = 67841280.

The previous prime is 142402037. The next prime is 142402079. The reversal of 142402065 is 560204241.

It is not a de Polignac number, because 142402065 - 2⁵ = 142402033 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5734 + ... + 17823.

It is an arithmetic number, because the mean of its divisors is an integer number (7915488).

Almost surely, 2^142402065 is an apocalyptic number.

142402065 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

142402065 is a deficient number, since it is larger than the sum of its proper divisors (110893551).

142402065 is a wasteful number, since it uses less digits than its factorization.

142402065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23609.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 142402065 is about 11933.2336355239. The cubic root of 142402065 is about 522.2022784413.

The spelling of 142402065 in words is "one hundred forty-two million, four hundred two thousand, sixty-five".