143225944 has 8 divisors (see below), whose sum is σ = 268548660. Its totient is φ = 71612968.

The previous prime is 143225941. The next prime is 143225947. The reversal of 143225944 is 449522341.

It is an interprime number because it is at equal distance from previous prime (143225941) and next prime (143225947).

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×143225944² = 41027342069382272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143225941) 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 as a sum of consecutive naturals, namely, 8951614 + ... + 8951629.

Almost surely, 2^143225944 is an apocalyptic number.

It is an amenable number.

143225944 is a deficient number, since it is larger than the sum of its proper divisors (125322716).

143225944 is a wasteful number, since it uses less digits than its factorization.

143225944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17903249 (or 17903245 counting only the distinct ones).

The product of its digits is 34560, while the sum is 34.

The square root of 143225944 is about 11967.7042075747. The cubic root of 143225944 is about 523.2074240577.

The spelling of 143225944 in words is "one hundred forty-three million, two hundred twenty-five thousand, nine hundred forty-four".