142020075 has 24 divisors (see below), whose sum is σ = 235860400. Its totient is φ = 75404160.

The previous prime is 142020071. The next prime is 142020089. The reversal of 142020075 is 570020241.

It is not a de Polignac number, because 142020075 - 2² = 142020071 is a prime.

It is not an unprimeable number, because it can be changed into a prime (142020071) 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, 13041 + ... + 21309.

Almost surely, 2^142020075 is an apocalyptic number.

142020075 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

142020075 is a deficient number, since it is larger than the sum of its proper divisors (93840325).

142020075 is a wasteful number, since it uses less digits than its factorization.

142020075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8511 (or 8506 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 21.

The square root of 142020075 is about 11917.2175863328. The cubic root of 142020075 is about 521.7349287630.

The spelling of 142020075 in words is "one hundred forty-two million, twenty thousand, seventy-five".