333142738 has 4 divisors (see below), whose sum is σ = 499714110. Its totient is φ = 166571368.

The previous prime is 333142729. The next prime is 333142757. The reversal of 333142738 is 837241333.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 837241333 = 8461 ⋅98953.

It can be written as a sum of positive squares in only one way, i.e., 320660649 + 12482089 = 17907^2 + 3533^2 .

It is a super-2 number, since 2×333142738² = 221968167764273288, which contains 22 as substring.

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, 83285683 + ... + 83285686.

Almost surely, 2^333142738 is an apocalyptic number.

333142738 is a deficient number, since it is larger than the sum of its proper divisors (166571372).

333142738 is a wasteful number, since it uses less digits than its factorization.

333142738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166571371.

The product of its digits is 36288, while the sum is 34.

The square root of 333142738 is about 18252.1981689878. The cubic root of 333142738 is about 693.2290977320.

The spelling of 333142738 in words is "three hundred thirty-three million, one hundred forty-two thousand, seven hundred thirty-eight".