146142427 has 2 divisors, whose sum is σ = 146142428. Its totient is φ = 146142426.

The previous prime is 146142407. The next prime is 146142443. The reversal of 146142427 is 724241641.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 146142427 - 2¹⁹ = 145618139 is a prime.

It is equal to p_8239414 and since 146142427 and 8239414 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (146142407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73071213 + 73071214.

It is an arithmetic number, because the mean of its divisors is an integer number (73071214).

Almost surely, 2^146142427 is an apocalyptic number.

146142427 is a deficient number, since it is larger than the sum of its proper divisors (1).

146142427 is an equidigital number, since it uses as much as digits as its factorization.

146142427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10752, while the sum is 31.

The square root of 146142427 is about 12088.9382081306. The cubic root of 146142427 is about 526.7349129547.

The spelling of 146142427 in words is "one hundred forty-six million, one hundred forty-two thousand, four hundred twenty-seven".