141521629 has 2 divisors, whose sum is σ = 141521630. Its totient is φ = 141521628.

The previous prime is 141521609. The next prime is 141521683. The reversal of 141521629 is 926125141.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 72216004 + 69305625 = 8498^2 + 8325^2 .

It is a cyclic number.

It is not a de Polignac number, because 141521629 - 2¹⁹ = 140997341 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 141521629.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (141521609) 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, 70760814 + 70760815.

It is an arithmetic number, because the mean of its divisors is an integer number (70760815).

Almost surely, 2^141521629 is an apocalyptic number.

It is an amenable number.

141521629 is a deficient number, since it is larger than the sum of its proper divisors (1).

141521629 is an equidigital number, since it uses as much as digits as its factorization.

141521629 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4320, while the sum is 31.

The square root of 141521629 is about 11896.2863533121. The cubic root of 141521629 is about 521.1238378730.

The spelling of 141521629 in words is "one hundred forty-one million, five hundred twenty-one thousand, six hundred twenty-nine".