146121653 has 2 divisors, whose sum is σ = 146121654. Its totient is φ = 146121652.

The previous prime is 146121629. The next prime is 146121683. The reversal of 146121653 is 356121641.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 118222129 + 27899524 = 10873^2 + 5282^2 .

It is an emirp because it is prime and its reverse (356121641) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 146121653 - 2¹² = 146117557 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (146121623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73060826 + 73060827.

It is an arithmetic number, because the mean of its divisors is an integer number (73060827).

Almost surely, 2^146121653 is an apocalyptic number.

It is an amenable number.

146121653 is a deficient number, since it is larger than the sum of its proper divisors (1).

146121653 is an equidigital number, since it uses as much as digits as its factorization.

146121653 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4320, while the sum is 29.

The square root of 146121653 is about 12088.0789623496. The cubic root of 146121653 is about 526.7099534914.

The spelling of 146121653 in words is "one hundred forty-six million, one hundred twenty-one thousand, six hundred fifty-three".