45544139 has 8 divisors (see below), whose sum is σ = 48455568. Its totient is φ = 42658560.

The previous prime is 45544133. The next prime is 45544171. The reversal of 45544139 is 93144554.

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 45544139 - 2¹² = 45540043 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45544099 and 45544108.

It is not an unprimeable number, because it can be changed into a prime (45544133) 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, 2762 + ... + 9935.

It is an arithmetic number, because the mean of its divisors is an integer number (6056946).

Almost surely, 2^45544139 is an apocalyptic number.

45544139 is a deficient number, since it is larger than the sum of its proper divisors (2911429).

45544139 is a wasteful number, since it uses less digits than its factorization.

45544139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12925.

The product of its digits is 43200, while the sum is 35.

The square root of 45544139 is about 6748.6397888760. The cubic root of 45544139 is about 357.1172528463.

The spelling of 45544139 in words is "forty-five million, five hundred forty-four thousand, one hundred thirty-nine".