146225736 has 56 divisors (see below), whose sum is σ = 411088230. Its totient is φ = 48739968.

The previous prime is 146225731. The next prime is 146225741. The reversal of 146225736 is 637522641.

It is an interprime number because it is at equal distance from previous prime (146225731) and next prime (146225741).

It can be written as a sum of positive squares in only one way, i.e., 129823236 + 16402500 = 11394^2 + 4050^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 146225736.

It is not an unprimeable number, because it can be changed into a prime (146225731) 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 13 ways as a sum of consecutive naturals, for example, 6705 + ... + 18368.

Almost surely, 2^146225736 is an apocalyptic number.

It is an amenable number.

146225736 is an abundant number, since it is smaller than the sum of its proper divisors (264862494).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

146225736 is an equidigital number, since it uses as much as digits as its factorization.

146225736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25097 (or 25078 counting only the distinct ones).

The product of its digits is 60480, while the sum is 36.

The square root of 146225736 is about 12092.3833879017. The cubic root of 146225736 is about 526.8349829665.

The spelling of 146225736 in words is "one hundred forty-six million, two hundred twenty-five thousand, seven hundred thirty-six".