146565641 has 2 divisors, whose sum is σ = 146565642. Its totient is φ = 146565640.

The previous prime is 146565607. The next prime is 146565647.

It is a happy number.

146565641 is nontrivially palindromic in base 10.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 127599616 + 18966025 = 11296^2 + 4355^2 .

It is a palprime.

It is a cyclic number.

It is not a de Polignac number, because 146565641 - 2¹⁰ = 146564617 is a prime.

It is equal to p_8261885 and since 146565641 and 8261885 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 146565595 and 146565604.

It is not a weakly prime, because it can be changed into another prime (146565647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73282820 + 73282821.

It is an arithmetic number, because the mean of its divisors is an integer number (73282821).

Almost surely, 2^146565641 is an apocalyptic number.

It is an amenable number.

146565641 is a deficient number, since it is larger than the sum of its proper divisors (1).

146565641 is an equidigital number, since it uses as much as digits as its factorization.

146565641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 86400, while the sum is 38.

The square root of 146565641 is about 12106.4297379533. The cubic root of 146565641 is about 527.2428803152.

The spelling of 146565641 in words is "one hundred forty-six million, five hundred sixty-five thousand, six hundred forty-one".