146424643 has 2 divisors, whose sum is σ = 146424644. Its totient is φ = 146424642.

The previous prime is 146424623. The next prime is 146424667. The reversal of 146424643 is 346424641.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-146424643 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 146424599 and 146424608.

It is not a weakly prime, because it can be changed into another prime (146424623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73212321 + 73212322.

It is an arithmetic number, because the mean of its divisors is an integer number (73212322).

Almost surely, 2^146424643 is an apocalyptic number.

146424643 is a deficient number, since it is larger than the sum of its proper divisors (1).

146424643 is an equidigital number, since it uses as much as digits as its factorization.

146424643 is an evil number, because the sum of its binary digits is even.

The product of its digits is 55296, while the sum is 34.

The square root of 146424643 is about 12100.6050675163. The cubic root of 146424643 is about 527.0737546305.

The spelling of 146424643 in words is "one hundred forty-six million, four hundred twenty-four thousand, six hundred forty-three".