45391436 has 24 divisors (see below), whose sum is σ = 80984736. Its totient is φ = 22256640.

The previous prime is 45391421. The next prime is 45391439. The reversal of 45391436 is 63419354.

It is a happy number.

45391436 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 45391396 and 45391405.

It is not an unprimeable number, because it can be changed into a prime (45391439) 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, 78380 + ... + 78956.

It is an arithmetic number, because the mean of its divisors is an integer number (3374364).

Almost surely, 2^45391436 is an apocalyptic number.

It is an amenable number.

45391436 is a deficient number, since it is larger than the sum of its proper divisors (35593300).

45391436 is a wasteful number, since it uses less digits than its factorization.

45391436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 929 (or 927 counting only the distinct ones).

The product of its digits is 38880, while the sum is 35.

The square root of 45391436 is about 6737.3166765412. The cubic root of 45391436 is about 356.7176848827.

The spelling of 45391436 in words is "forty-five million, three hundred ninety-one thousand, four hundred thirty-six".