146622549 has 8 divisors (see below), whose sum is σ = 197290720. Its totient is φ = 96851376.

The previous prime is 146622533. The next prime is 146622557. The reversal of 146622549 is 945226641.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 146622549 - 2⁴ = 146622533 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146622559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 223867 + ... + 224520.

It is an arithmetic number, because the mean of its divisors is an integer number (24661340).

Almost surely, 2^146622549 is an apocalyptic number.

It is an amenable number.

146622549 is a deficient number, since it is larger than the sum of its proper divisors (50668171).

146622549 is a wasteful number, since it uses less digits than its factorization.

146622549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 448499.

The product of its digits is 103680, while the sum is 39.

The square root of 146622549 is about 12108.7798311803. The cubic root of 146622549 is about 527.3111101657.

The spelling of 146622549 in words is "one hundred forty-six million, six hundred twenty-two thousand, five hundred forty-nine".