143532379 has 2 divisors, whose sum is σ = 143532380. Its totient is φ = 143532378.

The previous prime is 143532371. The next prime is 143532437. The reversal of 143532379 is 973235341.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 143532379 - 2³ = 143532371 is a prime.

It is not a weakly prime, because it can be changed into another prime (143532371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71766189 + 71766190.

It is an arithmetic number, because the mean of its divisors is an integer number (71766190).

Almost surely, 2^143532379 is an apocalyptic number.

143532379 is a deficient number, since it is larger than the sum of its proper divisors (1).

143532379 is an equidigital number, since it uses as much as digits as its factorization.

143532379 is an evil number, because the sum of its binary digits is even.

The product of its digits is 68040, while the sum is 37.

The square root of 143532379 is about 11980.4999478319. The cubic root of 143532379 is about 523.5802961220.

The spelling of 143532379 in words is "one hundred forty-three million, five hundred thirty-two thousand, three hundred seventy-nine".