45861545 has 8 divisors (see below), whose sum is σ = 55103496. Its totient is φ = 36642816.

The previous prime is 45861509. The next prime is 45861547. The reversal of 45861545 is 54516854.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 4734976 + 41126569 = 2176^2 + 6413^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 45861545 - 2⁶ = 45861481 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45861499 and 45861508.

It is not an unprimeable number, because it can be changed into a prime (45861547) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1112 + ... + 9641.

It is an arithmetic number, because the mean of its divisors is an integer number (6887937).

Almost surely, 2^45861545 is an apocalyptic number.

It is an amenable number.

45861545 is a deficient number, since it is larger than the sum of its proper divisors (9241951).

45861545 is a wasteful number, since it uses less digits than its factorization.

45861545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11611.

The product of its digits is 96000, while the sum is 38.

The square root of 45861545 is about 6772.1152530063. The cubic root of 45861545 is about 357.9449396715.

The spelling of 45861545 in words is "forty-five million, eight hundred sixty-one thousand, five hundred forty-five".