39303142 has 4 divisors (see below), whose sum is σ = 58954716. Its totient is φ = 19651570.

The previous prime is 39303137. The next prime is 39303151. The reversal of 39303142 is 24130393.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 9825784 + ... + 9825787.

It is an arithmetic number, because the mean of its divisors is an integer number (14738679).

Almost surely, 2^39303142 is an apocalyptic number.

39303142 is a deficient number, since it is larger than the sum of its proper divisors (19651574).

39303142 is a wasteful number, since it uses less digits than its factorization.

39303142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19651573.

The product of its (nonzero) digits is 1944, while the sum is 25.

The square root of 39303142 is about 6269.2218017869. The cubic root of 39303142 is about 339.9975259336.

The spelling of 39303142 in words is "thirty-nine million, three hundred three thousand, one hundred forty-two".