45642601 has 4 divisors (see below), whose sum is σ = 45658692. Its totient is φ = 45626512.

The previous prime is 45642581. The next prime is 45642629. The reversal of 45642601 is 10624654.

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 25401600 + 20241001 = 5040^2 + 4499^2 .

It is a cyclic number.

It is not a de Polignac number, because 45642601 - 2¹⁵ = 45609833 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 45642601.

It is not an unprimeable number, because it can be changed into a prime (45642631) 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, 2530 + ... + 9883.

It is an arithmetic number, because the mean of its divisors is an integer number (11414673).

Almost surely, 2^45642601 is an apocalyptic number.

It is an amenable number.

45642601 is a deficient number, since it is larger than the sum of its proper divisors (16091).

45642601 is a wasteful number, since it uses less digits than its factorization.

45642601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16090.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 45642601 is about 6755.9308018955. The cubic root of 45642601 is about 357.3744185382.

The spelling of 45642601 in words is "forty-five million, six hundred forty-two thousand, six hundred one".