45145146 has 8 divisors (see below), whose sum is σ = 90290304. Its totient is φ = 15048380.

The previous prime is 45145129. The next prime is 45145153. The reversal of 45145146 is 64154154.

45145146 is nontrivially palindromic in base 4.

45145146 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.

45145146 is an admirable number.

It is a super-2 number, since 2×45145146² = 4076168414722632, which contains 22 as substring.

It is a Curzon 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 3 ways as a sum of consecutive naturals, for example, 3762090 + ... + 3762101.

It is an arithmetic number, because the mean of its divisors is an integer number (11286288).

Almost surely, 2^45145146 is an apocalyptic number.

45145146 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45145146 is a wasteful number, since it uses less digits than its factorization.

45145146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7524196.

The product of its digits is 9600, while the sum is 30.

The square root of 45145146 is about 6719.0137669155. The cubic root of 45145146 is about 356.0713413814.

The spelling of 45145146 in words is "forty-five million, one hundred forty-five thousand, one hundred forty-six".