45065121 has 4 divisors (see below), whose sum is σ = 60086832. Its totient is φ = 30043412.

The previous prime is 45065107. The next prime is 45065143. The reversal of 45065121 is 12156054.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 45065121 - 2⁷ = 45064993 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 45065091 and 45065100.

It is not an unprimeable number, because it can be changed into a prime (45065171) 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, 7510851 + ... + 7510856.

It is an arithmetic number, because the mean of its divisors is an integer number (15021708).

Almost surely, 2^45065121 is an apocalyptic number.

It is an amenable number.

45065121 is a deficient number, since it is larger than the sum of its proper divisors (15021711).

45065121 is a wasteful number, since it uses less digits than its factorization.

45065121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15021710.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 45065121 is about 6713.0560104918. The cubic root of 45065121 is about 355.8608243795.

The spelling of 45065121 in words is "forty-five million, sixty-five thousand, one hundred twenty-one".