143997248 has 28 divisors (see below), whose sum is σ = 292719252. Its totient is φ = 70241280.

The previous prime is 143997241. The next prime is 143997277. The reversal of 143997248 is 842799341.

It can be written as a sum of positive squares in 2 ways, for example, as 81144064 + 62853184 = 9008^2 + 7928^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143997241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24815 + ... + 30062.

It is an arithmetic number, because the mean of its divisors is an integer number (10454259).

Almost surely, 2^143997248 is an apocalyptic number.

It is an amenable number.

143997248 is an abundant number, since it is smaller than the sum of its proper divisors (148722004).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

143997248 is an equidigital number, since it uses as much as digits as its factorization.

143997248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54930 (or 54920 counting only the distinct ones).

The product of its digits is 435456, while the sum is 47.

The square root of 143997248 is about 11999.8853327855. The cubic root of 143997248 is about 524.1449398018.

The spelling of 143997248 in words is "one hundred forty-three million, nine hundred ninety-seven thousand, two hundred forty-eight".