1542746812 has 12 divisors (see below), whose sum is σ = 2700288136. Its totient is φ = 771235920.

The previous prime is 1542746801. The next prime is 1542746861. The reversal of 1542746812 is 2186472451.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6639 + ... + 55942.

Almost surely, 2^1542746812 is an apocalyptic number.

It is an amenable number.

1542746812 is a deficient number, since it is larger than the sum of its proper divisors (1157541324).

1542746812 is a wasteful number, since it uses less digits than its factorization.

1542746812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68748 (or 68746 counting only the distinct ones).

The product of its digits is 107520, while the sum is 40.

The square root of 1542746812 is about 39277.8157743019. The cubic root of 1542746812 is about 1155.4865267869.

The spelling of 1542746812 in words is "one billion, five hundred forty-two million, seven hundred forty-six thousand, eight hundred twelve".