145240141 has 2 divisors, whose sum is σ = 145240142. Its totient is φ = 145240140.

The previous prime is 145240103. The next prime is 145240153. The reversal of 145240141 is 141042541.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 98604900 + 46635241 = 9930^2 + 6829^2 .

It is an emirp because it is prime and its reverse (141042541) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 145240141 - 2⁷ = 145240013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145240171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72620070 + 72620071.

It is an arithmetic number, because the mean of its divisors is an integer number (72620071).

Almost surely, 2^145240141 is an apocalyptic number.

It is an amenable number.

145240141 is a deficient number, since it is larger than the sum of its proper divisors (1).

145240141 is an equidigital number, since it uses as much as digits as its factorization.

145240141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 145240141 is about 12051.5617660119. The cubic root of 145240141 is about 525.6486507022.

Adding to 145240141 its reverse (141042541), we get a palindrome (286282682).

The spelling of 145240141 in words is "one hundred forty-five million, two hundred forty thousand, one hundred forty-one".