75020142 has 8 divisors (see below), whose sum is σ = 150040296. Its totient is φ = 25006712.

The previous prime is 75020137. The next prime is 75020149. The reversal of 75020142 is 24102057.

It is a sphenic number, since it is the product of 3 distinct primes.

75020142 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75020149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6251673 + ... + 6251684.

It is an arithmetic number, because the mean of its divisors is an integer number (18755037).

Almost surely, 2^75020142 is an apocalyptic number.

75020142 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

75020142 is a wasteful number, since it uses less digits than its factorization.

75020142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12503362.

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

The square root of 75020142 is about 8661.4168586900. The cubic root of 75020142 is about 421.7540813179.

Adding to 75020142 its reverse (24102057), we get a palindrome (99122199).

The spelling of 75020142 in words is "seventy-five million, twenty thousand, one hundred forty-two".