146550623 has 2 divisors, whose sum is σ = 146550624. Its totient is φ = 146550622.

The previous prime is 146550587. The next prime is 146550707. The reversal of 146550623 is 326055641.

It is a weak prime.

It is an emirp because it is prime and its reverse (326055641) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 146550623 - 2¹⁸ = 146288479 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 146550623.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (146550023) 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, 73275311 + 73275312.

It is an arithmetic number, because the mean of its divisors is an integer number (73275312).

Almost surely, 2^146550623 is an apocalyptic number.

146550623 is a deficient number, since it is larger than the sum of its proper divisors (1).

146550623 is an equidigital number, since it uses as much as digits as its factorization.

146550623 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 146550623 is about 12105.8094731414. The cubic root of 146550623 is about 527.2248715377.

The spelling of 146550623 in words is "one hundred forty-six million, five hundred fifty thousand, six hundred twenty-three".