45525019 has 8 divisors (see below), whose sum is σ = 47175680. Its totient is φ = 43885800.

The previous prime is 45525001. The next prime is 45525061. The reversal of 45525019 is 91052554.

45525019 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 45525019 - 2¹³ = 45516827 is a prime.

It is a super-2 number, since 2×45525019² = 4145054709900722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is not an unprimeable number, because it can be changed into a prime (45525079) by changing a digit.

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, 5692 + ... + 11110.

It is an arithmetic number, because the mean of its divisors is an integer number (5896960).

Almost surely, 2^45525019 is an apocalyptic number.

45525019 is a deficient number, since it is larger than the sum of its proper divisors (1650661).

45525019 is a wasteful number, since it uses less digits than its factorization.

45525019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5721.

The product of its (nonzero) digits is 9000, while the sum is 31.

The square root of 45525019 is about 6747.2230584145. The cubic root of 45525019 is about 357.0672717529.

The spelling of 45525019 in words is "forty-five million, five hundred twenty-five thousand, nineteen".