145732141 has 2 divisors, whose sum is σ = 145732142. Its totient is φ = 145732140.

The previous prime is 145732127. The next prime is 145732189. The reversal of 145732141 is 141237541.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 103612041 + 42120100 = 10179^2 + 6490^2 .

It is a cyclic number.

It is not a de Polignac number, because 145732141 - 2⁹ = 145731629 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145732241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72866070 + 72866071.

It is an arithmetic number, because the mean of its divisors is an integer number (72866071).

Almost surely, 2^145732141 is an apocalyptic number.

It is an amenable number.

145732141 is a deficient number, since it is larger than the sum of its proper divisors (1).

145732141 is an equidigital number, since it uses as much as digits as its factorization.

145732141 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3360, while the sum is 28.

The square root of 145732141 is about 12071.9568007842. The cubic root of 145732141 is about 526.2415255075.

Adding to 145732141 its reverse (141237541), we get a palindrome (286969682).

The spelling of 145732141 in words is "one hundred forty-five million, seven hundred thirty-two thousand, one hundred forty-one".