445515230 has 32 divisors (see below), whose sum is σ = 848448000. Its totient is φ = 167964192.

The previous prime is 445515223. The next prime is 445515253. The reversal of 445515230 is 32515544.

It is a junction number, because it is equal to n+sod(n) for n = 445515193 and 445515202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31919 + ... + 43701.

It is an arithmetic number, because the mean of its divisors is an integer number (26514000).

Almost surely, 2^445515230 is an apocalyptic number.

445515230 is a deficient number, since it is larger than the sum of its proper divisors (402932770).

445515230 is a wasteful number, since it uses less digits than its factorization.

445515230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12008.

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 445515230 is about 21107.2316991120. The cubic root of 445515230 is about 763.7552085740.

The spelling of 445515230 in words is "four hundred forty-five million, five hundred fifteen thousand, two hundred thirty".