45614281 has 8 divisors (see below), whose sum is σ = 48512520. Its totient is φ = 42739968.

The previous prime is 45614273. The next prime is 45614321. The reversal of 45614281 is 18241654.

It can be written as a sum of positive squares in 4 ways, for example, as 8294400 + 37319881 = 2880^2 + 6109^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 45614281 - 2³ = 45614273 is a prime.

It is a super-2 number, since 2×45614281² = 4161325262293922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45614251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1966 + ... + 9751.

It is an arithmetic number, because the mean of its divisors is an integer number (6064065).

Almost surely, 2^45614281 is an apocalyptic number.

45614281 is the 4272-nd centered pentagonal number.

It is an amenable number.

45614281 is a deficient number, since it is larger than the sum of its proper divisors (2898239).

45614281 is a wasteful number, since it uses less digits than its factorization.

45614281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11963.

The product of its digits is 7680, while the sum is 31.

The square root of 45614281 is about 6753.8345404666. The cubic root of 45614281 is about 357.3004895240.

The spelling of 45614281 in words is "forty-five million, six hundred fourteen thousand, two hundred eighty-one".