45456131 has 8 divisors (see below), whose sum is σ = 52149504. Its totient is φ = 38812680.

The previous prime is 45456121. The next prime is 45456133. The reversal of 45456131 is 13165454.

It is a happy number.

45456131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 45456131 - 2⁶ = 45456067 is a prime.

It is a super-2 number, since 2×45456131² = 4132519690978322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45456094 and 45456103.

It is not an unprimeable number, because it can be changed into a prime (45456133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10505 + ... + 14186.

It is an arithmetic number, because the mean of its divisors is an integer number (6518688).

Almost surely, 2^45456131 is an apocalyptic number.

45456131 is a deficient number, since it is larger than the sum of its proper divisors (6693373).

45456131 is a wasteful number, since it uses less digits than its factorization.

45456131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24961.

The product of its digits is 7200, while the sum is 29.

The square root of 45456131 is about 6742.1162108050. The cubic root of 45456131 is about 356.8870773003.

The spelling of 45456131 in words is "forty-five million, four hundred fifty-six thousand, one hundred thirty-one".