146898623 has 2 divisors, whose sum is σ = 146898624. Its totient is φ = 146898622.

The previous prime is 146898599. The next prime is 146898667. The reversal of 146898623 is 326898641.

It is a weak prime.

It is an emirp because it is prime and its reverse (326898641) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 146898623 - 2⁶ = 146898559 is a prime.

It is a super-2 number, since 2×146898623² = 43158410878592258, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (146891623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73449311 + 73449312.

It is an arithmetic number, because the mean of its divisors is an integer number (73449312).

Almost surely, 2^146898623 is an apocalyptic number.

146898623 is a deficient number, since it is larger than the sum of its proper divisors (1).

146898623 is an equidigital number, since it uses as much as digits as its factorization.

146898623 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 497664, while the sum is 47.

The square root of 146898623 is about 12120.1742149195. The cubic root of 146898623 is about 527.6418587795.

The spelling of 146898623 in words is "one hundred forty-six million, eight hundred ninety-eight thousand, six hundred twenty-three".