1542351632 has 20 divisors (see below), whose sum is σ = 2988946716. Its totient is φ = 771010560.

The previous prime is 1542351611. The next prime is 1542351677. The reversal of 1542351632 is 2361532451.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 768176656 + 774174976 = 27716^2 + 27824^2 .

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107168 + ... + 120704.

Almost surely, 2^1542351632 is an apocalyptic number.

It is an amenable number.

1542351632 is a deficient number, since it is larger than the sum of its proper divisors (1446595084).

1542351632 is a wasteful number, since it uses less digits than its factorization.

1542351632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20666 (or 20660 counting only the distinct ones).

The product of its digits is 21600, while the sum is 32.

The square root of 1542351632 is about 39272.7848770621. The cubic root of 1542351632 is about 1155.3878577211.

The spelling of 1542351632 in words is "one billion, five hundred forty-two million, three hundred fifty-one thousand, six hundred thirty-two".