145145141 has 2 divisors, whose sum is σ = 145145142. Its totient is φ = 145145140.

The previous prime is 145145129. The next prime is 145145153. The reversal of 145145141 is 141541541.

It is a balanced prime because it is at equal distance from previous prime (145145129) and next prime (145145153).

It can be written as a sum of positive squares in only one way, i.e., 92640625 + 52504516 = 9625^2 + 7246^2 .

It is a cyclic number.

It is not a de Polignac number, because 145145141 - 2¹⁰ = 145144117 is a prime.

It is a super-2 number, since 2×145145141² = 42134223911819762, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 145145141.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145145101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72572570 + 72572571.

It is an arithmetic number, because the mean of its divisors is an integer number (72572571).

Almost surely, 2^145145141 is an apocalyptic number.

It is an amenable number.

145145141 is a deficient number, since it is larger than the sum of its proper divisors (1).

145145141 is an equidigital number, since it uses as much as digits as its factorization.

145145141 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1600, while the sum is 26.

The square root of 145145141 is about 12047.6197234142. The cubic root of 145145141 is about 525.5340186795.

Adding to 145145141 its reverse (141541541), we get a palindrome (286686682).

The spelling of 145145141 in words is "one hundred forty-five million, one hundred forty-five thousand, one hundred forty-one".