143738801 has 2 divisors, whose sum is σ = 143738802. Its totient is φ = 143738800.

The previous prime is 143738773. The next prime is 143738807. The reversal of 143738801 is 108837341.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 119924401 + 23814400 = 10951^2 + 4880^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-143738801 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (143738807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71869400 + 71869401.

It is an arithmetic number, because the mean of its divisors is an integer number (71869401).

Almost surely, 2^143738801 is an apocalyptic number.

It is an amenable number.

143738801 is a deficient number, since it is larger than the sum of its proper divisors (1).

143738801 is an equidigital number, since it uses as much as digits as its factorization.

143738801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 143738801 is about 11989.1117686007. Note that the first 3 decimals coincide. The cubic root of 143738801 is about 523.8311726670.

The spelling of 143738801 in words is "one hundred forty-three million, seven hundred thirty-eight thousand, eight hundred one".