142548428 has 12 divisors (see below), whose sum is σ = 272137992. Its totient is φ = 64794720.

The previous prime is 142548421. The next prime is 142548467. The reversal of 142548428 is 824845241.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 142548391 and 142548400.

It is not an unprimeable number, because it can be changed into a prime (142548421) 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, 1619825 + ... + 1619912.

It is an arithmetic number, because the mean of its divisors is an integer number (22678166).

Almost surely, 2^142548428 is an apocalyptic number.

It is an amenable number.

142548428 is a deficient number, since it is larger than the sum of its proper divisors (129589564).

142548428 is a wasteful number, since it uses less digits than its factorization.

142548428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3239752 (or 3239750 counting only the distinct ones).

The product of its digits is 81920, while the sum is 38.

The square root of 142548428 is about 11939.3646397118. The cubic root of 142548428 is about 522.3811263190.

The spelling of 142548428 in words is "one hundred forty-two million, five hundred forty-eight thousand, four hundred twenty-eight".