144149654 has 16 divisors (see below), whose sum is σ = 236422800. Its totient is φ = 65372160.

The previous prime is 144149639. The next prime is 144149657. The reversal of 144149654 is 456941441.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144149657) 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, 2582 + ... + 17174.

It is an arithmetic number, because the mean of its divisors is an integer number (14776425).

Almost surely, 2^144149654 is an apocalyptic number.

144149654 is a deficient number, since it is larger than the sum of its proper divisors (92273146).

144149654 is a wasteful number, since it uses less digits than its factorization.

144149654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15055.

The product of its digits is 69120, while the sum is 38.

The square root of 144149654 is about 12006.2339640705. The cubic root of 144149654 is about 524.3297921024.

The spelling of 144149654 in words is "one hundred forty-four million, one hundred forty-nine thousand, six hundred fifty-four".