143901564 has 24 divisors (see below), whose sum is σ = 343580160. Its totient is φ = 46851504.

The previous prime is 143901559. The next prime is 143901587. The reversal of 143901564 is 465109341.

143901564 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138924 + ... + 139955.

It is an arithmetic number, because the mean of its divisors is an integer number (14315840).

Almost surely, 2^143901564 is an apocalyptic number.

It is an amenable number.

143901564 is an abundant number, since it is smaller than the sum of its proper divisors (199678596).

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

143901564 is a wasteful number, since it uses less digits than its factorization.

143901564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278929 (or 278927 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 143901564 is about 11995.8977988311. The cubic root of 143901564 is about 524.0288186081.

The spelling of 143901564 in words is "one hundred forty-three million, nine hundred one thousand, five hundred sixty-four".