1745151481 has 2 divisors, whose sum is σ = 1745151482. Its totient is φ = 1745151480.

The previous prime is 1745151469. The next prime is 1745151497. The reversal of 1745151481 is 1841515471.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1125938025 + 619213456 = 33555^2 + 24884^2 .

It is a cyclic number.

It is not a de Polignac number, because 1745151481 - 2¹³ = 1745143289 is a prime.

It is a super-3 number, since 3×1745151481³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 1745151481.

It is not a weakly prime, because it can be changed into another prime (1745151461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 872575740 + 872575741.

It is an arithmetic number, because the mean of its divisors is an integer number (872575741).

Almost surely, 2^1745151481 is an apocalyptic number.

It is an amenable number.

1745151481 is a deficient number, since it is larger than the sum of its proper divisors (1).

1745151481 is an equidigital number, since it uses as much as digits as its factorization.

1745151481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 22400, while the sum is 37.

The square root of 1745151481 is about 41775.0102453608. The cubic root of 1745151481 is about 1203.9571864501.

The spelling of 1745151481 in words is "one billion, seven hundred forty-five million, one hundred fifty-one thousand, four hundred eighty-one".