1542005532 has 48 divisors (see below), whose sum is σ = 4073237280. Its totient is φ = 504301824.

The previous prime is 1542005501. The next prime is 1542005567. The reversal of 1542005532 is 2355002451.

It is a happy number.

1542005532 is digitally balanced in base 4, 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 (27).

It is a junction number, because it is equal to n+sod(n) for n = 1542005496 and 1542005505.

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, 128973 + ... + 140420.

It is an arithmetic number, because the mean of its divisors is an integer number (84859110).

Almost surely, 2^1542005532 is an apocalyptic number.

1542005532 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1542005532 is an abundant number, since it is smaller than the sum of its proper divisors (2531231748).

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

1542005532 is a wasteful number, since it uses less digits than its factorization.

1542005532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269459 (or 269451 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 1542005532 is about 39268.3782705627. The cubic root of 1542005532 is about 1155.3014291697.

Adding to 1542005532 its reverse (2355002451), we get a palindrome (3897007983).

The spelling of 1542005532 in words is "one billion, five hundred forty-two million, five thousand, five hundred thirty-two".