143252149 has 8 divisors (see below), whose sum is σ = 152772480. Its totient is φ = 133853376.

The previous prime is 143252117. The next prime is 143252167. The reversal of 143252149 is 941252341.

143252149 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 143252149 - 2⁵ = 143252117 is a prime.

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

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 143252149.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143252449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27949 + ... + 32674.

It is an arithmetic number, because the mean of its divisors is an integer number (19096560).

Almost surely, 2^143252149 is an apocalyptic number.

It is an amenable number.

143252149 is a deficient number, since it is larger than the sum of its proper divisors (9520331).

143252149 is a wasteful number, since it uses less digits than its factorization.

143252149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60779.

The product of its digits is 8640, while the sum is 31.

The square root of 143252149 is about 11968.7989790121. The cubic root of 143252149 is about 523.2393312529.

The spelling of 143252149 in words is "one hundred forty-three million, two hundred fifty-two thousand, one hundred forty-nine".