144690147 has 24 divisors (see below), whose sum is σ = 241326176. Its totient is φ = 81824256.

The previous prime is 144690137. The next prime is 144690151. The reversal of 144690147 is 741096441.

It is not a de Polignac number, because 144690147 - 2⁴ = 144690131 is a prime.

It is not an unprimeable number, because it can be changed into a prime (144690127) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 5728 + ... + 17949.

Almost surely, 2^144690147 is an apocalyptic number.

144690147 is a deficient number, since it is larger than the sum of its proper divisors (96636029).

144690147 is a wasteful number, since it uses less digits than its factorization.

144690147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23787 (or 23784 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 144690147 is about 12028.7217525388. The cubic root of 144690147 is about 524.9843042927.

The spelling of 144690147 in words is "one hundred forty-four million, six hundred ninety thousand, one hundred forty-seven".