144304545 has 64 divisors (see below), whose sum is σ = 290893824. Its totient is φ = 59339520.

The previous prime is 144304541. The next prime is 144304549. The reversal of 144304545 is 545403441.

It is an interprime number because it is at equal distance from previous prime (144304541) and next prime (144304549).

It is not a de Polignac number, because 144304545 - 2² = 144304541 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (144304541) 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 63 ways as a sum of consecutive naturals, for example, 118359 + ... + 119571.

It is an arithmetic number, because the mean of its divisors is an integer number (4545216).

Almost surely, 2^144304545 is an apocalyptic number.

144304545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

144304545 is an abundant number, since it is smaller than the sum of its proper divisors (146589279).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

144304545 is a wasteful number, since it uses less digits than its factorization.

144304545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1342.

The product of its (nonzero) digits is 19200, while the sum is 30.

The square root of 144304545 is about 12012.6826729087. The cubic root of 144304545 is about 524.5175249953.

Adding to 144304545 its reverse (545403441), we get a palindrome (689707986).

The spelling of 144304545 in words is "one hundred forty-four million, three hundred four thousand, five hundred forty-five".