143808057 has 6 divisors (see below), whose sum is σ = 207722762. Its totient is φ = 95872032.

The previous prime is 143808053. The next prime is 143808061. The reversal of 143808057 is 750808341.

It is an interprime number because it is at equal distance from previous prime (143808053) and next prime (143808061).

It can be written as a sum of positive squares in only one way, i.e., 143137296 + 670761 = 11964^2 + 819^2 .

It is not a de Polignac number, because 143808057 - 2² = 143808053 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (143808053) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7989328 + ... + 7989345.

Almost surely, 2^143808057 is an apocalyptic number.

It is an amenable number.

143808057 is a deficient number, since it is larger than the sum of its proper divisors (63914705).

143808057 is a wasteful number, since it uses less digits than its factorization.

143808057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15978679 (or 15978676 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The square root of 143808057 is about 11991.9997081388. Note that the first 3 decimals coincide. The cubic root of 143808057 is about 523.9152896589.

The spelling of 143808057 in words is "one hundred forty-three million, eight hundred eight thousand, fifty-seven".