45414121 has 9 divisors (see below), whose sum is σ = 47637079. Its totient is φ = 43291336.

The previous prime is 45414113. The next prime is 45414137. The reversal of 45414121 is 12141454.

The square root of 45414121 is 6739.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 42968025 + 2446096 = 6555^2 + 1564^2 .

It is not a de Polignac number, because 45414121 - 2³ = 45414113 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45414092 and 45414101.

It is not an unprimeable number, because it can be changed into a prime (45414151) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 154851 + ... + 155143.

Almost surely, 2^45414121 is an apocalyptic number.

45414121 is the 6739-th square number.

45414121 is the 3370-th centered octagonal number.

It is an amenable number.

45414121 is a deficient number, since it is larger than the sum of its proper divisors (2222958).

45414121 is an frugal number, since it uses more digits than its factorization.

45414121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 632 (or 316 counting only the distinct ones).

The product of its digits is 640, while the sum is 22.

The cubic root of 45414121 is about 356.7770998569. Note that the first 3 decimals are identical.

Adding to 45414121 its reverse (12141454), we get a palindrome (57555575).

The spelling of 45414121 in words is "forty-five million, four hundred fourteen thousand, one hundred twenty-one".