45545651 has 4 divisors (see below), whose sum is σ = 45638904. Its totient is φ = 45452400.

The previous prime is 45545627. The next prime is 45545653. The reversal of 45545651 is 15654554.

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

It is a cyclic number.

It is not a de Polignac number, because 45545651 - 2⁶ = 45545587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45545653) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45890 + ... + 46871.

It is an arithmetic number, because the mean of its divisors is an integer number (11409726).

Almost surely, 2^45545651 is an apocalyptic number.

45545651 is a deficient number, since it is larger than the sum of its proper divisors (93253).

45545651 is an equidigital number, since it uses as much as digits as its factorization.

45545651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93252.

The product of its digits is 60000, while the sum is 35.

The square root of 45545651 is about 6748.7518105202. The cubic root of 45545651 is about 357.1212047292.

The spelling of 45545651 in words is "forty-five million, five hundred forty-five thousand, six hundred fifty-one".