45286121 has 4 divisors (see below), whose sum is σ = 45701700. Its totient is φ = 44870544.

The previous prime is 45286117. The next prime is 45286151. The reversal of 45286121 is 12168254.

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 18619225 + 26666896 = 4315^2 + 5164^2 .

It is a cyclic number.

It is not a de Polignac number, because 45286121 - 2² = 45286117 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45286151) 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, 207626 + ... + 207843.

It is an arithmetic number, because the mean of its divisors is an integer number (11425425).

Almost surely, 2^45286121 is an apocalyptic number.

It is an amenable number.

45286121 is a deficient number, since it is larger than the sum of its proper divisors (415579).

45286121 is a wasteful number, since it uses less digits than its factorization.

45286121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415578.

The product of its digits is 3840, while the sum is 29.

The square root of 45286121 is about 6729.4963407375. The cubic root of 45286121 is about 356.4415915776.

The spelling of 45286121 in words is "forty-five million, two hundred eighty-six thousand, one hundred twenty-one".