144501121 has 2 divisors, whose sum is σ = 144501122. Its totient is φ = 144501120.

The previous prime is 144501107. The next prime is 144501127. The reversal of 144501121 is 121105441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 114918400 + 29582721 = 10720^2 + 5439^2 .

It is a cyclic number.

It is not a de Polignac number, because 144501121 - 2¹¹ = 144499073 is a prime.

It is not a weakly prime, because it can be changed into another prime (144501127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72250560 + 72250561.

It is an arithmetic number, because the mean of its divisors is an integer number (72250561).

Almost surely, 2^144501121 is an apocalyptic number.

It is an amenable number.

144501121 is a deficient number, since it is larger than the sum of its proper divisors (1).

144501121 is an equidigital number, since it uses as much as digits as its factorization.

144501121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 160, while the sum is 19.

The square root of 144501121 is about 12020.8619075339. The cubic root of 144501121 is about 524.7555881222.

Adding to 144501121 its reverse (121105441), we get a palindrome (265606562).

The spelling of 144501121 in words is "one hundred forty-four million, five hundred one thousand, one hundred twenty-one".