145144654 has 8 divisors (see below), whose sum is σ = 219053160. Its totient is φ = 72126936.

The previous prime is 145144639. The next prime is 145144663. The reversal of 145144654 is 456441541.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 222289 + ... + 222940.

It is an arithmetic number, because the mean of its divisors is an integer number (27381645).

Almost surely, 2^145144654 is an apocalyptic number.

145144654 is a deficient number, since it is larger than the sum of its proper divisors (73908506).

145144654 is a wasteful number, since it uses less digits than its factorization.

145144654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445394.

The product of its digits is 38400, while the sum is 34.

The square root of 145144654 is about 12047.5995119360. The cubic root of 145144654 is about 525.5334309107.

The spelling of 145144654 in words is "one hundred forty-five million, one hundred forty-four thousand, six hundred fifty-four".