45440146 has 4 divisors (see below), whose sum is σ = 68160222. Its totient is φ = 22720072.

The previous prime is 45440119. The next prime is 45440159. The reversal of 45440146 is 64104454.

45440146 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 44368921 + 1071225 = 6661^2 + 1035^2 .

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 as a sum of consecutive naturals, namely, 11360035 + ... + 11360038.

Almost surely, 2^45440146 is an apocalyptic number.

45440146 is a deficient number, since it is larger than the sum of its proper divisors (22720076).

45440146 is a wasteful number, since it uses less digits than its factorization.

45440146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22720075.

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 45440146 is about 6740.9306479150. The cubic root of 45440146 is about 356.8452383620.

The spelling of 45440146 in words is "forty-five million, four hundred forty thousand, one hundred forty-six".