142075428 has 24 divisors (see below), whose sum is σ = 361646880. Its totient is φ = 43053120.

The previous prime is 142075411. The next prime is 142075433. The reversal of 142075428 is 824570241.

142075428 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (33).

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, 538033 + ... + 538296.

It is an arithmetic number, because the mean of its divisors is an integer number (15068620).

Almost surely, 2^142075428 is an apocalyptic number.

It is an amenable number.

142075428 is an abundant number, since it is smaller than the sum of its proper divisors (219571452).

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

142075428 is a wasteful number, since it uses less digits than its factorization.

142075428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1076347 (or 1076345 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 33.

The square root of 142075428 is about 11919.5397562154. The cubic root of 142075428 is about 521.8027028490.

The spelling of 142075428 in words is "one hundred forty-two million, seventy-five thousand, four hundred twenty-eight".