45459545 has 4 divisors (see below), whose sum is σ = 54551460. Its totient is φ = 36367632.

The previous prime is 45459541. The next prime is 45459551. The reversal of 45459545 is 54595454.

45459545 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 2 ways, for example, as 18284176 + 27175369 = 4276^2 + 5213^2 .

It is a cyclic number.

It is not a de Polignac number, because 45459545 - 2² = 45459541 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45459541) 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 3 ways as a sum of consecutive naturals, for example, 4545950 + ... + 4545959.

It is an arithmetic number, because the mean of its divisors is an integer number (13637865).

Almost surely, 2^45459545 is an apocalyptic number.

It is an amenable number.

45459545 is a deficient number, since it is larger than the sum of its proper divisors (9091915).

45459545 is an equidigital number, since it uses as much as digits as its factorization.

45459545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9091914.

The product of its digits is 360000, while the sum is 41.

The square root of 45459545 is about 6742.3693906519. The cubic root of 45459545 is about 356.8960117899.

The spelling of 45459545 in words is "forty-five million, four hundred fifty-nine thousand, five hundred forty-five".