45816545 has 16 divisors (see below), whose sum is σ = 56766528. Its totient is φ = 35472960.

The previous prime is 45816541. The next prime is 45816553. The reversal of 45816545 is 54561854.

It is a happy number.

It is not a de Polignac number, because 45816545 - 2² = 45816541 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45816499 and 45816508.

It is not an unprimeable number, because it can be changed into a prime (45816541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41450 + ... + 42540.

It is an arithmetic number, because the mean of its divisors is an integer number (3547908).

Almost surely, 2^45816545 is an apocalyptic number.

It is an amenable number.

45816545 is a deficient number, since it is larger than the sum of its proper divisors (10949983).

45816545 is a wasteful number, since it uses less digits than its factorization.

45816545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1360.

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

The square root of 45816545 is about 6768.7919897128. The cubic root of 45816545 is about 357.8278278046.

The spelling of 45816545 in words is "forty-five million, eight hundred sixteen thousand, five hundred forty-five".