450144135377 has 2 divisors, whose sum is σ = 450144135378. Its totient is φ = 450144135376.

The previous prime is 450144135341. The next prime is 450144135383. The reversal of 450144135377 is 773531441054.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 438338009041 + 11806126336 = 662071^2 + 108656^2 .

It is a cyclic number.

It is not a de Polignac number, because 450144135377 - 2¹⁴ = 450144118993 is a prime.

It is a super-2 number, since 2×450144135377² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (450144131377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225072067688 + 225072067689.

It is an arithmetic number, because the mean of its divisors is an integer number (225072067689).

Almost surely, 2^450144135377 is an apocalyptic number.

It is an amenable number.

450144135377 is a deficient number, since it is larger than the sum of its proper divisors (1).

450144135377 is an equidigital number, since it uses as much as digits as its factorization.

450144135377 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 705600, while the sum is 44.

The spelling of 450144135377 in words is "four hundred fifty billion, one hundred forty-four million, one hundred thirty-five thousand, three hundred seventy-seven".