45605445 has 16 divisors (see below), whose sum is σ = 73265472.
Its totient is φ = 24224000.
The previous prime is 45605431. The next prime is 45605447. The reversal of 45605445 is 54450654.
It is not a de Polignac number, because 45605445 - 27 = 45605317 is a prime.
It is a super-2 number, since 2×456054452 = 4159713227296050, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (45605447) 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, 2292 + ... + 9821.
It is an arithmetic number, because the mean of its divisors is an integer number (4579092).
Almost surely, 245605445 is an apocalyptic number.
It is an amenable number.
45605445 is a deficient number, since it is larger than the sum of its proper divisors (27660027).
45605445 is a wasteful number, since it uses less digits than its factorization.
45605445 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12372.
The product of its (nonzero) digits is 48000, while the sum is 33.
The square root of 45605445 is about 6753.1803618740.
The cubic root of 45605445 is about 357.2774169911.
The spelling of 45605445 in words is "forty-five million, six hundred five thousand, four hundred forty-five".