146305039 has 2 divisors, whose sum is σ = 146305040. Its totient is φ = 146305038.

The previous prime is 146305021. The next prime is 146305109. The reversal of 146305039 is 930503641.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 146305039 - 2⁷ = 146304911 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 146305039.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (146305639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73152519 + 73152520.

It is an arithmetic number, because the mean of its divisors is an integer number (73152520).

Almost surely, 2^146305039 is an apocalyptic number.

146305039 is a deficient number, since it is larger than the sum of its proper divisors (1).

146305039 is an equidigital number, since it uses as much as digits as its factorization.

146305039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9720, while the sum is 31.

The square root of 146305039 is about 12095.6619909784. The cubic root of 146305039 is about 526.9302057028.

The spelling of 146305039 in words is "one hundred forty-six million, three hundred five thousand, thirty-nine".