145597141 has 2 divisors, whose sum is σ = 145597142. Its totient is φ = 145597140.

The previous prime is 145597093. The next prime is 145597157. The reversal of 145597141 is 141795541.

145597141 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 80730225 + 64866916 = 8985^2 + 8054^2 .

It is an emirp because it is prime and its reverse (141795541) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 145597141 - 2⁹ = 145596629 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 145597141.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145597181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72798570 + 72798571.

It is an arithmetic number, because the mean of its divisors is an integer number (72798571).

Almost surely, 2^145597141 is an apocalyptic number.

It is an amenable number.

145597141 is a deficient number, since it is larger than the sum of its proper divisors (1).

145597141 is an equidigital number, since it uses as much as digits as its factorization.

145597141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25200, while the sum is 37.

The square root of 145597141 is about 12066.3640339582. The cubic root of 145597141 is about 526.0789794517.

It can be divided in two parts, 1455 and 97141, that added together give a square (98596 = 314²).

The spelling of 145597141 in words is "one hundred forty-five million, five hundred ninety-seven thousand, one hundred forty-one".