145663654 has 8 divisors (see below), whose sum is σ = 218688768. Its totient is φ = 72767400.

The previous prime is 145663649. The next prime is 145663657. The reversal of 145663654 is 456366541.

145663654 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145663657) 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, 29337 + ... + 33940.

It is an arithmetic number, because the mean of its divisors is an integer number (27336096).

Almost surely, 2^145663654 is an apocalyptic number.

145663654 is a deficient number, since it is larger than the sum of its proper divisors (73025114).

145663654 is a wasteful number, since it uses less digits than its factorization.

145663654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64430.

The product of its digits is 259200, while the sum is 40.

The square root of 145663654 is about 12069.1198519196. The cubic root of 145663654 is about 526.1590766385.

The spelling of 145663654 in words is "one hundred forty-five million, six hundred sixty-three thousand, six hundred fifty-four".