1542251028 has 48 divisors (see below), whose sum is σ = 3700287360. Its totient is φ = 499734144.

The previous prime is 1542251017. The next prime is 1542251041. The reversal of 1542251028 is 8201522451.

1542251028 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 1542250986 and 1542251004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58201 + ... + 80447.

It is an arithmetic number, because the mean of its divisors is an integer number (77089320).

Almost surely, 2^1542251028 is an apocalyptic number.

It is an amenable number.

1542251028 is an abundant number, since it is smaller than the sum of its proper divisors (2158036332).

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

1542251028 is a wasteful number, since it uses less digits than its factorization.

1542251028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22416 (or 22414 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 30.

The square root of 1542251028 is about 39271.5040200907. The cubic root of 1542251028 is about 1155.3627360897.

Adding to 1542251028 its reverse (8201522451), we get a palindrome (9743773479).

The spelling of 1542251028 in words is "one billion, five hundred forty-two million, two hundred fifty-one thousand, twenty-eight".