145543233377 has 2 divisors, whose sum is σ = 145543233378. Its totient is φ = 145543233376.

The previous prime is 145543233371. The next prime is 145543233389. The reversal of 145543233377 is 773332345541.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 108633523216 + 36909710161 = 329596^2 + 192119^2 .

It is a cyclic number.

It is not a de Polignac number, because 145543233377 - 2⁴ = 145543233361 is a prime.

It is not a weakly prime, because it can be changed into another prime (145543233371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72771616688 + 72771616689.

It is an arithmetic number, because the mean of its divisors is an integer number (72771616689).

Almost surely, 2^145543233377 is an apocalyptic number.

It is an amenable number.

145543233377 is a deficient number, since it is larger than the sum of its proper divisors (1).

145543233377 is an equidigital number, since it uses as much as digits as its factorization.

145543233377 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3175200, while the sum is 47.

The spelling of 145543233377 in words is "one hundred forty-five billion, five hundred forty-three million, two hundred thirty-three thousand, three hundred seventy-seven".