146227249 has 16 divisors (see below), whose sum is σ = 178334080. Its totient is φ = 117106560.

The previous prime is 146227247. The next prime is 146227273. The reversal of 146227249 is 942722641.

It is a cyclic number.

It is not a de Polignac number, because 146227249 - 2¹ = 146227247 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (146227243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2179 + ... + 17239.

It is an arithmetic number, because the mean of its divisors is an integer number (11145880).

Almost surely, 2^146227249 is an apocalyptic number.

146227249 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

146227249 is a deficient number, since it is larger than the sum of its proper divisors (32106831).

146227249 is a wasteful number, since it uses less digits than its factorization.

146227249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15160.

The product of its digits is 48384, while the sum is 37.

The square root of 146227249 is about 12092.4459477808. The cubic root of 146227249 is about 526.8368000168.

The spelling of 146227249 in words is "one hundred forty-six million, two hundred twenty-seven thousand, two hundred forty-nine".