143945046 has 48 divisors (see below), whose sum is σ = 372109680. Its totient is φ = 41126400.

The previous prime is 143945041. The next prime is 143945047. The reversal of 143945046 is 640549341.

143945046 is a `hidden beast` number, since 143 + 9 + 4 + 504 + 6 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 143945046.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143945041) 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 23 ways as a sum of consecutive naturals, for example, 24555 + ... + 29846.

It is an arithmetic number, because the mean of its divisors is an integer number (7752285).

Almost surely, 2^143945046 is an apocalyptic number.

143945046 is an abundant number, since it is smaller than the sum of its proper divisors (228164634).

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

143945046 is a wasteful number, since it uses less digits than its factorization.

143945046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54426 (or 54413 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 143945046 is about 11997.7100315018. The cubic root of 143945046 is about 524.0815943293.

The spelling of 143945046 in words is "one hundred forty-three million, nine hundred forty-five thousand, forty-six".