143562541 has 2 divisors, whose sum is σ = 143562542. Its totient is φ = 143562540.

The previous prime is 143562539. The next prime is 143562577. The reversal of 143562541 is 145265341.

It is a happy number.

143562541 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 142706916 + 855625 = 11946^2 + 925^2 .

It is a cyclic number.

It is not a de Polignac number, because 143562541 - 2¹ = 143562539 is a prime.

It is a super-2 number, since 2×143562541² = 41220406356753362, which contains 22 as substring.

Together with 143562539, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (143562241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71781270 + 71781271.

It is an arithmetic number, because the mean of its divisors is an integer number (71781271).

Almost surely, 2^143562541 is an apocalyptic number.

It is an amenable number.

143562541 is a deficient number, since it is larger than the sum of its proper divisors (1).

143562541 is an equidigital number, since it uses as much as digits as its factorization.

143562541 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14400, while the sum is 31.

The square root of 143562541 is about 11981.7586772560. The cubic root of 143562541 is about 523.6169687366.

The spelling of 143562541 in words is "one hundred forty-three million, five hundred sixty-two thousand, five hundred forty-one".