263144342 has 16 divisors (see below), whose sum is σ = 399848400. Its totient is φ = 129866880.

The previous prime is 263144317. The next prime is 263144369. The reversal of 263144342 is 243441362.

It is a super-2 number, since 2×263144342² = 138489889453225928, which contains 22 as substring.

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 in 7 ways as a sum of consecutive naturals, for example, 152042 + ... + 153762.

It is an arithmetic number, because the mean of its divisors is an integer number (24990525).

Almost surely, 2^263144342 is an apocalyptic number.

263144342 is a deficient number, since it is larger than the sum of its proper divisors (136704058).

263144342 is a wasteful number, since it uses less digits than its factorization.

263144342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2671.

The product of its digits is 13824, while the sum is 29.

The square root of 263144342 is about 16221.7243842940. The cubic root of 263144342 is about 640.8130470826.

The spelling of 263144342 in words is "two hundred sixty-three million, one hundred forty-four thousand, three hundred forty-two".