45077217 has 32 divisors (see below), whose sum is σ = 67350528. Its totient is φ = 26670336.

The previous prime is 45077213. The next prime is 45077257. The reversal of 45077217 is 71277054.

It is a happy number.

It is not a de Polignac number, because 45077217 - 2² = 45077213 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45077213) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 97128 + ... + 97590.

It is an arithmetic number, because the mean of its divisors is an integer number (2104704).

Almost surely, 2^45077217 is an apocalyptic number.

It is an amenable number.

45077217 is a deficient number, since it is larger than the sum of its proper divisors (22273311).

45077217 is a wasteful number, since it uses less digits than its factorization.

45077217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 589.

The product of its (nonzero) digits is 13720, while the sum is 33.

The square root of 45077217 is about 6713.9568810054. The cubic root of 45077217 is about 355.8926605858.

The spelling of 45077217 in words is "forty-five million, seventy-seven thousand, two hundred seventeen".