143055448 has 8 divisors (see below), whose sum is σ = 268228980. Its totient is φ = 71527720.

The previous prime is 143055433. The next prime is 143055457. The reversal of 143055448 is 844550341.

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

It is a super-2 number, since 2×143055448² = 40929722404961408, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8940958 + ... + 8940973.

Almost surely, 2^143055448 is an apocalyptic number.

It is an amenable number.

143055448 is a deficient number, since it is larger than the sum of its proper divisors (125173532).

143055448 is a wasteful number, since it uses less digits than its factorization.

143055448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17881937 (or 17881933 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 34.

The square root of 143055448 is about 11960.5789157549. The cubic root of 143055448 is about 522.9997331177. Note that the first 3 decimals are identical.

The spelling of 143055448 in words is "one hundred forty-three million, fifty-five thousand, four hundred forty-eight".