45155941 has 4 divisors (see below), whose sum is σ = 45417132. Its totient is φ = 44894752.

The previous prime is 45155911. The next prime is 45155959. The reversal of 45155941 is 14955154.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14955154 = 2 ⋅7477577.

It can be written as a sum of positive squares in 2 ways, for example, as 42627841 + 2528100 = 6529^2 + 1590^2 .

It is a cyclic number.

It is not a de Polignac number, because 45155941 - 2⁵ = 45155909 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45155897 and 45155906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45155911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 130336 + ... + 130681.

It is an arithmetic number, because the mean of its divisors is an integer number (11354283).

Almost surely, 2^45155941 is an apocalyptic number.

It is an amenable number.

45155941 is a deficient number, since it is larger than the sum of its proper divisors (261191).

45155941 is a wasteful number, since it uses less digits than its factorization.

45155941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261190.

The product of its digits is 18000, while the sum is 34.

The square root of 45155941 is about 6719.8170361997. The cubic root of 45155941 is about 356.0997200972.

The spelling of 45155941 in words is "forty-five million, one hundred fifty-five thousand, nine hundred forty-one".