143460641 has 2 divisors, whose sum is σ = 143460642. Its totient is φ = 143460640.

The previous prime is 143460547. The next prime is 143460661. The reversal of 143460641 is 146064341.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 136983616 + 6477025 = 11704^2 + 2545^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-143460641 is a prime.

It is a super-2 number, since 2×143460641² = 41161911032261762, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (143460661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71730320 + 71730321.

It is an arithmetic number, because the mean of its divisors is an integer number (71730321).

Almost surely, 2^143460641 is an apocalyptic number.

It is an amenable number.

143460641 is a deficient number, since it is larger than the sum of its proper divisors (1).

143460641 is an equidigital number, since it uses as much as digits as its factorization.

143460641 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 143460641 is about 11977.5056251291. The cubic root of 143460641 is about 523.4930524796.

The spelling of 143460641 in words is "one hundred forty-three million, four hundred sixty thousand, six hundred forty-one".