45366121 has 4 divisors (see below), whose sum is σ = 46930500. Its totient is φ = 43801744.

The previous prime is 45366067. The next prime is 45366133. The reversal of 45366121 is 12166354.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12166354 = 2 ⋅6083177.

It can be written as a sum of positive squares in 2 ways, for example, as 37994896 + 7371225 = 6164^2 + 2715^2 .

It is a cyclic number.

It is not a de Polignac number, because 45366121 - 2⁷ = 45365993 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 45366121.

It is not an unprimeable number, because it can be changed into a prime (45366151) 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, 782146 + ... + 782203.

It is an arithmetic number, because the mean of its divisors is an integer number (11732625).

Almost surely, 2^45366121 is an apocalyptic number.

It is an amenable number.

45366121 is a deficient number, since it is larger than the sum of its proper divisors (1564379).

45366121 is a wasteful number, since it uses less digits than its factorization.

45366121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1564378.

The product of its digits is 4320, while the sum is 28.

The square root of 45366121 is about 6735.4376992145. The cubic root of 45366121 is about 356.6513582195.

The spelling of 45366121 in words is "forty-five million, three hundred sixty-six thousand, one hundred twenty-one".