146225245 has 8 divisors (see below), whose sum is σ = 185792184. Its totient is φ = 110098944.

The previous prime is 146225243. The next prime is 146225249. The reversal of 146225245 is 542522641.

It can be written as a sum of positive squares in 4 ways, for example, as 68591524 + 77633721 = 8282^2 + 8811^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 146225245 - 2¹ = 146225243 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146225243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 860064 + ... + 860233.

It is an arithmetic number, because the mean of its divisors is an integer number (23224023).

Almost surely, 2^146225245 is an apocalyptic number.

It is an amenable number.

146225245 is a deficient number, since it is larger than the sum of its proper divisors (39566939).

146225245 is a wasteful number, since it uses less digits than its factorization.

146225245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1720319.

The product of its digits is 19200, while the sum is 31.

The square root of 146225245 is about 12092.3630858489. The cubic root of 146225245 is about 526.8343932931.

Adding to 146225245 its reverse (542522641), we get a palindrome (688747886).

The spelling of 146225245 in words is "one hundred forty-six million, two hundred twenty-five thousand, two hundred forty-five".