45308477 has 4 divisors (see below), whose sum is σ = 45477180. Its totient is φ = 45139776.

The previous prime is 45308467. The next prime is 45308489. The reversal of 45308477 is 77480354.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3136441 + 42172036 = 1771^2 + 6494^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45308477 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 45308477.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45308467) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83948 + ... + 84485.

It is an arithmetic number, because the mean of its divisors is an integer number (11369295).

Almost surely, 2^45308477 is an apocalyptic number.

It is an amenable number.

45308477 is a deficient number, since it is larger than the sum of its proper divisors (168703).

45308477 is a wasteful number, since it uses less digits than its factorization.

45308477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168702.

The product of its (nonzero) digits is 94080, while the sum is 38.

The square root of 45308477 is about 6731.1571813471. The cubic root of 45308477 is about 356.5002357210.

The spelling of 45308477 in words is "forty-five million, three hundred eight thousand, four hundred seventy-seven".