143342997 has 32 divisors (see below), whose sum is σ = 236224512. Its totient is φ = 75442944.

The previous prime is 143342989. The next prime is 143343001. The reversal of 143342997 is 799243341.

143342997 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 143342997 - 2³ = 143342989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143342197) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12508 + ... + 21050.

It is an arithmetic number, because the mean of its divisors is an integer number (7382016).

Almost surely, 2^143342997 is an apocalyptic number.

143342997 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

143342997 is a deficient number, since it is larger than the sum of its proper divisors (92881515).

143342997 is a wasteful number, since it uses less digits than its factorization.

143342997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8617.

The product of its digits is 163296, while the sum is 42.

The square root of 143342997 is about 11972.5935786696. The cubic root of 143342997 is about 523.3499176140.

The spelling of 143342997 in words is "one hundred forty-three million, three hundred forty-two thousand, nine hundred ninety-seven".