145656658 has 16 divisors (see below), whose sum is σ = 251144640. Its totient is φ = 62062416.

The previous prime is 145656653. The next prime is 145656659. The reversal of 145656658 is 856656541.

It is not an unprimeable number, because it can be changed into a prime (145656653) 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 7 ways as a sum of consecutive naturals, for example, 27648 + ... + 32491.

It is an arithmetic number, because the mean of its divisors is an integer number (15696540).

Almost surely, 2^145656658 is an apocalyptic number.

145656658 is a deficient number, since it is larger than the sum of its proper divisors (105487982).

145656658 is a wasteful number, since it uses less digits than its factorization.

145656658 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60321.

The product of its digits is 864000, while the sum is 46.

The square root of 145656658 is about 12068.8300178601. The cubic root of 145656658 is about 526.1506529681.

The spelling of 145656658 in words is "one hundred forty-five million, six hundred fifty-six thousand, six hundred fifty-eight".