143949694 has 8 divisors (see below), whose sum is σ = 246770928. Its totient is φ = 61692720.

The previous prime is 143949679. The next prime is 143949703. The reversal of 143949694 is 496949341.

It is a sphenic number, since it is the product of 3 distinct 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 in 3 ways as a sum of consecutive naturals, for example, 5141047 + ... + 5141074.

It is an arithmetic number, because the mean of its divisors is an integer number (30846366).

Almost surely, 2^143949694 is an apocalyptic number.

143949694 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

143949694 is a deficient number, since it is larger than the sum of its proper divisors (102821234).

143949694 is a wasteful number, since it uses less digits than its factorization.

143949694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10282130.

The product of its digits is 839808, while the sum is 49.

The square root of 143949694 is about 11997.9037335695. The cubic root of 143949694 is about 524.0872351510.

The spelling of 143949694 in words is "one hundred forty-three million, nine hundred forty-nine thousand, six hundred ninety-four".