146303639 has 2 divisors, whose sum is σ = 146303640. Its totient is φ = 146303638.

The previous prime is 146303617. The next prime is 146303653. The reversal of 146303639 is 936303641.

146303639 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-146303639 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 146303599 and 146303608.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (146303609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73151819 + 73151820.

It is an arithmetic number, because the mean of its divisors is an integer number (73151820).

Almost surely, 2^146303639 is an apocalyptic number.

146303639 is a deficient number, since it is larger than the sum of its proper divisors (1).

146303639 is an equidigital number, since it uses as much as digits as its factorization.

146303639 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34992, while the sum is 35.

The square root of 146303639 is about 12095.6041188524. The cubic root of 146303639 is about 526.9285249572.

The spelling of 146303639 in words is "one hundred forty-six million, three hundred three thousand, six hundred thirty-nine".