145225786 has 8 divisors (see below), whose sum is σ = 221531040. Its totient is φ = 71382108.

The previous prime is 145225739. The next prime is 145225789. The reversal of 145225786 is 687522541.

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

It is not an unprimeable number, because it can be changed into a prime (145225789) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 615246 + ... + 615481.

It is an arithmetic number, because the mean of its divisors is an integer number (27691380).

Almost surely, 2^145225786 is an apocalyptic number.

145225786 is a deficient number, since it is larger than the sum of its proper divisors (76305254).

145225786 is a wasteful number, since it uses less digits than its factorization.

145225786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1230788.

The product of its digits is 134400, while the sum is 40.

The square root of 145225786 is about 12050.9661853314. The cubic root of 145225786 is about 525.6313324068.

The spelling of 145225786 in words is "one hundred forty-five million, two hundred twenty-five thousand, seven hundred eighty-six".