145480666 has 16 divisors (see below), whose sum is σ = 222573600. Its totient is φ = 71296848.

The previous prime is 145480637. The next prime is 145480691. The reversal of 145480666 is 666084541.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43096 + ... + 46348.

It is an arithmetic number, because the mean of its divisors is an integer number (13910850).

Almost surely, 2^145480666 is an apocalyptic number.

145480666 is a deficient number, since it is larger than the sum of its proper divisors (77092934).

145480666 is a wasteful number, since it uses less digits than its factorization.

145480666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3693.

The product of its (nonzero) digits is 138240, while the sum is 40.

The square root of 145480666 is about 12061.5366351058. The cubic root of 145480666 is about 525.9386575662.

The spelling of 145480666 in words is "one hundred forty-five million, four hundred eighty thousand, six hundred sixty-six".