141554531 has 2 divisors, whose sum is σ = 141554532. Its totient is φ = 141554530.

The previous prime is 141554477. The next prime is 141554537. The reversal of 141554531 is 135455141.

It is a strong prime.

It is an emirp because it is prime and its reverse (135455141) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-141554531 is a prime.

It is a super-2 number, since 2×141554531² = 40075370493259922, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 141554494 and 141554503.

It is not a weakly prime, because it can be changed into another prime (141554537) 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, 70777265 + 70777266.

It is an arithmetic number, because the mean of its divisors is an integer number (70777266).

Almost surely, 2^141554531 is an apocalyptic number.

141554531 is a deficient number, since it is larger than the sum of its proper divisors (1).

141554531 is an equidigital number, since it uses as much as digits as its factorization.

141554531 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6000, while the sum is 29.

The square root of 141554531 is about 11897.6691414747. The cubic root of 141554531 is about 521.1642196578.

The spelling of 141554531 in words is "one hundred forty-one million, five hundred fifty-four thousand, five hundred thirty-one".