143562240553 has 2 divisors, whose sum is σ = 143562240554. Its totient is φ = 143562240552.

The previous prime is 143562240539. The next prime is 143562240557. The reversal of 143562240553 is 355042265341.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 132748736409 + 10813504144 = 364347^2 + 103988^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-143562240553 is a prime.

It is a super-2 number, since 2×143562240553² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (143562240557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71781120276 + 71781120277.

It is an arithmetic number, because the mean of its divisors is an integer number (71781120277).

Almost surely, 2^143562240553 is an apocalyptic number.

It is an amenable number.

143562240553 is a deficient number, since it is larger than the sum of its proper divisors (1).

143562240553 is an equidigital number, since it uses as much as digits as its factorization.

143562240553 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432000, while the sum is 40.

The spelling of 143562240553 in words is "one hundred forty-three billion, five hundred sixty-two million, two hundred forty thousand, five hundred fifty-three".