142149828 has 12 divisors (see below), whose sum is σ = 331682960. Its totient is φ = 47383272.

The previous prime is 142149823. The next prime is 142149853. The reversal of 142149828 is 828941241.

142149828 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (142149823) 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, 5922898 + ... + 5922921.

Almost surely, 2^142149828 is an apocalyptic number.

It is an amenable number.

142149828 is an abundant number, since it is smaller than the sum of its proper divisors (189533132).

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

142149828 is a wasteful number, since it uses less digits than its factorization.

142149828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11845826 (or 11845824 counting only the distinct ones).

The product of its digits is 36864, while the sum is 39.

The square root of 142149828 is about 11922.6602736134. The cubic root of 142149828 is about 521.8937703122.

It can be divided in two parts, 14214 and 9828, that added together give a palindrome (24042).

The spelling of 142149828 in words is "one hundred forty-two million, one hundred forty-nine thousand, eight hundred twenty-eight".