42945467 has 2 divisors, whose sum is σ = 42945468. Its totient is φ = 42945466.

The previous prime is 42945443. The next prime is 42945523. The reversal of 42945467 is 76454924.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42945467 - 2¹⁴ = 42929083 is a prime.

It is not a weakly prime, because it can be changed into another prime (42945167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21472733 + 21472734.

It is an arithmetic number, because the mean of its divisors is an integer number (21472734).

Almost surely, 2^42945467 is an apocalyptic number.

42945467 is a deficient number, since it is larger than the sum of its proper divisors (1).

42945467 is an equidigital number, since it uses as much as digits as its factorization.

42945467 is an evil number, because the sum of its binary digits is even.

The product of its digits is 241920, while the sum is 41.

The square root of 42945467 is about 6553.2791028614. The cubic root of 42945467 is about 350.1916419863.

The spelling of 42945467 in words is "forty-two million, nine hundred forty-five thousand, four hundred sixty-seven".