45175645 has 8 divisors (see below), whose sum is σ = 55533240. Its totient is φ = 35258880.

The previous prime is 45175643. The next prime is 45175661. The reversal of 45175645 is 54657154.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 205209 + 44970436 = 453^2 + 6706^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 45175645 - 2¹ = 45175643 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45175643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109980 + ... + 110389.

It is an arithmetic number, because the mean of its divisors is an integer number (6941655).

Almost surely, 2^45175645 is an apocalyptic number.

It is an amenable number.

45175645 is a deficient number, since it is larger than the sum of its proper divisors (10357595).

45175645 is a wasteful number, since it uses less digits than its factorization.

45175645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220415.

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

The square root of 45175645 is about 6721.2829876445. The cubic root of 45175645 is about 356.1515078089.

The spelling of 45175645 in words is "forty-five million, one hundred seventy-five thousand, six hundred forty-five".