154552452443 has 2 divisors, whose sum is σ = 154552452444. Its totient is φ = 154552452442.

The previous prime is 154552452413. The next prime is 154552452517. The reversal of 154552452443 is 344254255451.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-154552452443 is a prime.

It is a super-2 number, since 2×154552452443² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 154552452394 and 154552452403.

It is not a weakly prime, because it can be changed into another prime (154552452413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77276226221 + 77276226222.

It is an arithmetic number, because the mean of its divisors is an integer number (77276226222).

Almost surely, 2^154552452443 is an apocalyptic number.

154552452443 is a deficient number, since it is larger than the sum of its proper divisors (1).

154552452443 is an equidigital number, since it uses as much as digits as its factorization.

154552452443 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1920000, while the sum is 44.

The spelling of 154552452443 in words is "one hundred fifty-four billion, five hundred fifty-two million, four hundred fifty-two thousand, four hundred forty-three".