143690141 has 16 divisors (see below), whose sum is σ = 173266560. Its totient is φ = 116406720.

The previous prime is 143690111. The next prime is 143690147. The reversal of 143690141 is 141096341.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-143690141 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143690147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70955 + ... + 72951.

It is an arithmetic number, because the mean of its divisors is an integer number (10829160).

Almost surely, 2^143690141 is an apocalyptic number.

It is an amenable number.

143690141 is a deficient number, since it is larger than the sum of its proper divisors (29576419).

143690141 is a wasteful number, since it uses less digits than its factorization.

143690141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2564.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 143690141 is about 11987.0822554949. The cubic root of 143690141 is about 523.7720550138.

The spelling of 143690141 in words is "one hundred forty-three million, six hundred ninety thousand, one hundred forty-one".