144924147 has 20 divisors (see below), whose sum is σ = 221531640. Its totient is φ = 94366944.

The previous prime is 144924113. The next prime is 144924151. The reversal of 144924147 is 741429441.

It is not a de Polignac number, because 144924147 - 2⁶ = 144924083 is a prime.

It is not an unprimeable number, because it can be changed into a prime (144924187) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 17322 + ... + 24287.

It is an arithmetic number, because the mean of its divisors is an integer number (11076582).

Almost surely, 2^144924147 is an apocalyptic number.

144924147 is a deficient number, since it is larger than the sum of its proper divisors (76607493).

144924147 is an equidigital number, since it uses as much as digits as its factorization.

144924147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41664 (or 41655 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 144924147 is about 12038.4445423817. Note that the first 3 decimals coincide. The cubic root of 144924147 is about 525.2671619827.

The spelling of 144924147 in words is "one hundred forty-four million, nine hundred twenty-four thousand, one hundred forty-seven".