146143427 has 2 divisors, whose sum is σ = 146143428. Its totient is φ = 146143426.

The previous prime is 146143409. The next prime is 146143433. The reversal of 146143427 is 724341641.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-146143427 is a prime.

It is a super-3 number, since 3×146143427³ (a number of 25 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 146143393 and 146143402.

It is not a weakly prime, because it can be changed into another prime (146143457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73071713 + 73071714.

It is an arithmetic number, because the mean of its divisors is an integer number (73071714).

Almost surely, 2^146143427 is an apocalyptic number.

146143427 is a deficient number, since it is larger than the sum of its proper divisors (1).

146143427 is an equidigital number, since it uses as much as digits as its factorization.

146143427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16128, while the sum is 32.

The square root of 146143427 is about 12088.9795681852. The cubic root of 146143427 is about 526.7361143710.

The spelling of 146143427 in words is "one hundred forty-six million, one hundred forty-three thousand, four hundred twenty-seven".