143742064 has 20 divisors (see below), whose sum is σ = 285294240. Its totient is φ = 70117760.

The previous prime is 143742041. The next prime is 143742073. The reversal of 143742064 is 460247341.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108904 + ... + 110215.

It is an arithmetic number, because the mean of its divisors is an integer number (14264712).

Almost surely, 2^143742064 is an apocalyptic number.

It is an amenable number.

143742064 is a deficient number, since it is larger than the sum of its proper divisors (141552176).

143742064 is a wasteful number, since it uses less digits than its factorization.

143742064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219168 (or 219162 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 31.

The square root of 143742064 is about 11989.2478496359. The cubic root of 143742064 is about 523.8351364498.

The spelling of 143742064 in words is "one hundred forty-three million, seven hundred forty-two thousand, sixty-four".