45783505 has 4 divisors (see below), whose sum is σ = 54940212. Its totient is φ = 36626800.

The previous prime is 45783503. The next prime is 45783509. The reversal of 45783505 is 50538754.

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 36566209 + 9217296 = 6047^2 + 3036^2 .

It is not a de Polignac number, because 45783505 - 2¹ = 45783503 is a prime.

It is a super-2 number, since 2×45783505² = 4192258660170050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45783503) 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, 4578346 + ... + 4578355.

It is an arithmetic number, because the mean of its divisors is an integer number (13735053).

Almost surely, 2^45783505 is an apocalyptic number.

It is an amenable number.

45783505 is a deficient number, since it is larger than the sum of its proper divisors (9156707).

45783505 is an equidigital number, since it uses as much as digits as its factorization.

45783505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9156706.

The product of its (nonzero) digits is 84000, while the sum is 37.

The square root of 45783505 is about 6766.3509368049. The cubic root of 45783505 is about 357.7417928400.

The spelling of 45783505 in words is "forty-five million, seven hundred eighty-three thousand, five hundred five".