143490233 has 2 divisors, whose sum is σ = 143490234. Its totient is φ = 143490232.

The previous prime is 143490211. The next prime is 143490247. The reversal of 143490233 is 332094341.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 124367104 + 19123129 = 11152^2 + 4373^2 .

It is a cyclic number.

It is not a de Polignac number, because 143490233 - 2¹⁴ = 143473849 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 143490196 and 143490205.

It is not a weakly prime, because it can be changed into another prime (143490203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71745116 + 71745117.

It is an arithmetic number, because the mean of its divisors is an integer number (71745117).

Almost surely, 2^143490233 is an apocalyptic number.

It is an amenable number.

143490233 is a deficient number, since it is larger than the sum of its proper divisors (1).

143490233 is an equidigital number, since it uses as much as digits as its factorization.

143490233 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 29.

The square root of 143490233 is about 11978.7408770705. The cubic root of 143490233 is about 523.5290440967.

The spelling of 143490233 in words is "one hundred forty-three million, four hundred ninety thousand, two hundred thirty-three".