146642429 has 2 divisors, whose sum is σ = 146642430. Its totient is φ = 146642428.

The previous prime is 146642381. The next prime is 146642453. The reversal of 146642429 is 924246641.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 139476100 + 7166329 = 11810^2 + 2677^2 .

It is a cyclic number.

It is not a de Polignac number, because 146642429 - 2⁸ = 146642173 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 146642392 and 146642401.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (146642479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73321214 + 73321215.

It is an arithmetic number, because the mean of its divisors is an integer number (73321215).

Almost surely, 2^146642429 is an apocalyptic number.

It is an amenable number.

146642429 is a deficient number, since it is larger than the sum of its proper divisors (1).

146642429 is an equidigital number, since it uses as much as digits as its factorization.

146642429 is an evil number, because the sum of its binary digits is even.

The product of its digits is 82944, while the sum is 38.

The square root of 146642429 is about 12109.6006953161. The cubic root of 146642429 is about 527.3349411321.

The spelling of 146642429 in words is "one hundred forty-six million, six hundred forty-two thousand, four hundred twenty-nine".