145520366 has 16 divisors (see below), whose sum is σ = 223283520. Its totient is φ = 71097600.

The previous prime is 145520327. The next prime is 145520387. The reversal of 145520366 is 663025541.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112250 + ... + 113538.

It is an arithmetic number, because the mean of its divisors is an integer number (13955220).

Almost surely, 2^145520366 is an apocalyptic number.

145520366 is a deficient number, since it is larger than the sum of its proper divisors (77763154).

145520366 is a wasteful number, since it uses less digits than its factorization.

145520366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2539.

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 145520366 is about 12063.1822501362. The cubic root of 145520366 is about 525.9864940847.

The spelling of 145520366 in words is "one hundred forty-five million, five hundred twenty thousand, three hundred sixty-six".