143880745 has 8 divisors (see below), whose sum is σ = 178610760. Its totient is φ = 111135360.

The previous prime is 143880731. The next prime is 143880757. The reversal of 143880745 is 547088341.

It can be written as a sum of positive squares in 4 ways, for example, as 41951529 + 101929216 = 6477^2 + 10096^2 .

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

It is a de Polignac number, because none of the positive numbers 2^k-143880745 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 143880698 and 143880707.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 495996 + ... + 496285.

It is an arithmetic number, because the mean of its divisors is an integer number (22326345).

Almost surely, 2^143880745 is an apocalyptic number.

It is an amenable number.

143880745 is a deficient number, since it is larger than the sum of its proper divisors (34730015).

143880745 is an equidigital number, since it uses as much as digits as its factorization.

143880745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 992315.

The product of its (nonzero) digits is 107520, while the sum is 40.

The square root of 143880745 is about 11995.0300124677. The cubic root of 143880745 is about 524.0035460495.

The spelling of 143880745 in words is "one hundred forty-three million, eight hundred eighty thousand, seven hundred forty-five".