1542402306 has 12 divisors (see below), whose sum is σ = 3341871702. Its totient is φ = 514134096.

The previous prime is 1542402289. The next prime is 1542402317. The reversal of 1542402306 is 6032042451.

1542402306 is a `hidden beast` number, since 1 + 5 + 424 + 0 + 230 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 900540081 + 641862225 = 30009^2 + 25335^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1542402306.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 42844491 + ... + 42844526.

Almost surely, 2^1542402306 is an apocalyptic number.

1542402306 is an abundant number, since it is smaller than the sum of its proper divisors (1799469396).

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

1542402306 is a wasteful number, since it uses less digits than its factorization.

1542402306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85689025 (or 85689022 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 1542402306 is about 39273.4300259094. The cubic root of 1542402306 is about 1155.4005110145.

Adding to 1542402306 its reverse (6032042451), we get a palindrome (7574444757).

The spelling of 1542402306 in words is "one billion, five hundred forty-two million, four hundred two thousand, three hundred six".