146611397 has 2 divisors, whose sum is σ = 146611398. Its totient is φ = 146611396.

The previous prime is 146611363. The next prime is 146611403. The reversal of 146611397 is 793116641.

It is a happy number.

146611397 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 can be written as a sum of positive squares in only one way, i.e., 145781476 + 829921 = 12074^2 + 911^2 .

It is a cyclic number.

It is not a de Polignac number, because 146611397 - 2⁸ = 146611141 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 146611397.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (146616397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73305698 + 73305699.

It is an arithmetic number, because the mean of its divisors is an integer number (73305699).

Almost surely, 2^146611397 is an apocalyptic number.

It is an amenable number.

146611397 is a deficient number, since it is larger than the sum of its proper divisors (1).

146611397 is an equidigital number, since it uses as much as digits as its factorization.

146611397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27216, while the sum is 38.

The square root of 146611397 is about 12108.3193301135. The cubic root of 146611397 is about 527.2977408656.

The spelling of 146611397 in words is "one hundred forty-six million, six hundred eleven thousand, three hundred ninety-seven".