142663326 has 16 divisors (see below), whose sum is σ = 307275024. Its totient is φ = 43896384.

The previous prime is 142663321. The next prime is 142663361. The reversal of 142663326 is 623366241.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142663321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 914431 + ... + 914586.

It is an arithmetic number, because the mean of its divisors is an integer number (19204689).

Almost surely, 2^142663326 is an apocalyptic number.

142663326 is an abundant number, since it is smaller than the sum of its proper divisors (164611698).

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

142663326 is a wasteful number, since it uses less digits than its factorization.

142663326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1829035.

The product of its digits is 31104, while the sum is 33.

The square root of 142663326 is about 11944.1754005875. The cubic root of 142663326 is about 522.5214398687.

The spelling of 142663326 in words is "one hundred forty-two million, six hundred sixty-three thousand, three hundred twenty-six".