143949078 has 48 divisors (see below), whose sum is σ = 383868576. Its totient is φ = 37964160.

The previous prime is 143949017. The next prime is 143949101. The reversal of 143949078 is 870949341.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 42303 + ... + 45578.

It is an arithmetic number, because the mean of its divisors is an integer number (7997262).

Almost surely, 2^143949078 is an apocalyptic number.

143949078 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

143949078 is an abundant number, since it is smaller than the sum of its proper divisors (239919498).

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

143949078 is a wasteful number, since it uses less digits than its factorization.

143949078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87909 (or 87906 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 143949078 is about 11997.8780623909. The cubic root of 143949078 is about 524.0864875792.

The spelling of 143949078 in words is "one hundred forty-three million, nine hundred forty-nine thousand, seventy-eight".