141528949 has 2 divisors, whose sum is σ = 141528950. Its totient is φ = 141528948.

The previous prime is 141528941. The next prime is 141528971. The reversal of 141528949 is 949825141.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 139948900 + 1580049 = 11830^2 + 1257^2 .

It is a cyclic number.

It is not a de Polignac number, because 141528949 - 2³ = 141528941 is a prime.

It is equal to p_7993465 and since 141528949 and 7993465 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (141528941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70764474 + 70764475.

It is an arithmetic number, because the mean of its divisors is an integer number (70764475).

Almost surely, 2^141528949 is an apocalyptic number.

It is an amenable number.

141528949 is a deficient number, since it is larger than the sum of its proper divisors (1).

141528949 is an equidigital number, since it uses as much as digits as its factorization.

141528949 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 103680, while the sum is 43.

The square root of 141528949 is about 11896.5940083706. The cubic root of 141528949 is about 521.1328225084.

The spelling of 141528949 in words is "one hundred forty-one million, five hundred twenty-eight thousand, nine hundred forty-nine".