1542420132 has 96 divisors (see below), whose sum is σ = 4219568640. Its totient is φ = 433297920.

The previous prime is 1542420127. The next prime is 1542420161. The reversal of 1542420132 is 2310242451.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 145219 + ... + 155477.

It is an arithmetic number, because the mean of its divisors is an integer number (43953840).

Almost surely, 2^1542420132 is an apocalyptic number.

1542420132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1542420132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2109784320).

1542420132 is an abundant number, since it is smaller than the sum of its proper divisors (2677148508).

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

1542420132 is a wasteful number, since it uses less digits than its factorization.

1542420132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10361 (or 10359 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 1542420132 is about 39273.6569725815. The cubic root of 1542420132 is about 1155.4049620992.

Adding to 1542420132 its reverse (2310242451), we get a palindrome (3852662583).

The spelling of 1542420132 in words is "one billion, five hundred forty-two million, four hundred twenty thousand, one hundred thirty-two".