3455751645 has 12 divisors (see below), whose sum is σ = 5989969596. Its totient is φ = 1843067520.

The previous prime is 3455751643. The next prime is 3455751647. The reversal of 3455751645 is 5461575543.

3455751645 is a `hidden beast` number, since 3 + 4 + 557 + 51 + 6 + 45 = 666.

It is an interprime number because it is at equal distance from previous prime (3455751643) and next prime (3455751647).

It can be written as a sum of positive squares in 2 ways, for example, as 1640736036 + 1815015609 = 40506^2 + 42603^2 .

It is not a de Polignac number, because 3455751645 - 2¹ = 3455751643 is a prime.

It is a super-3 number, since 3×3455751645³ (a number of 30 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 76794481 = 3455751645 / (3 + 4 + 5 + 5 + 7 + 5 + 1 + 6 + 4 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 3455751645.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3455751643) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38397196 + ... + 38397285.

It is an arithmetic number, because the mean of its divisors is an integer number (499164133).

Almost surely, 2^3455751645 is an apocalyptic number.

It is an amenable number.

3455751645 is a deficient number, since it is larger than the sum of its proper divisors (2534217951).

3455751645 is a wasteful number, since it uses less digits than its factorization.

3455751645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76794492 (or 76794489 counting only the distinct ones).

The product of its digits is 1260000, while the sum is 45.

The square root of 3455751645 is about 58785.6414866760. The cubic root of 3455751645 is about 1511.8690428382.

The spelling of 3455751645 in words is "three billion, four hundred fifty-five million, seven hundred fifty-one thousand, six hundred forty-five".