45525145 has 8 divisors (see below), whose sum is σ = 55661256. Its totient is φ = 35732736.

The previous prime is 45525127. The next prime is 45525163. The reversal of 45525145 is 54152554.

45525145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (45525127) and next prime (45525163).

It can be written as a sum of positive squares in 4 ways, for example, as 16752649 + 28772496 = 4093^2 + 5364^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 45525145 - 2¹³ = 45516953 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85632 + ... + 86161.

It is an arithmetic number, because the mean of its divisors is an integer number (6957657).

Almost surely, 2^45525145 is an apocalyptic number.

It is an amenable number.

45525145 is a deficient number, since it is larger than the sum of its proper divisors (10136111).

45525145 is a wasteful number, since it uses less digits than its factorization.

45525145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171851.

The product of its digits is 20000, while the sum is 31.

The square root of 45525145 is about 6747.2323955827. The cubic root of 45525145 is about 357.0676011720.

Adding to 45525145 its reverse (54152554), we get a palindrome (99677699).

It can be divided in two parts, 455 and 25145, that added together give a square (25600 = 160²).

The spelling of 45525145 in words is "forty-five million, five hundred twenty-five thousand, one hundred forty-five".