45420344 has 8 divisors (see below), whose sum is σ = 85163160. Its totient is φ = 22710168.

The previous prime is 45420337. The next prime is 45420367. The reversal of 45420344 is 44302454.

45420344 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 2838764 + ... + 2838779.

It is an arithmetic number, because the mean of its divisors is an integer number (10645395).

Almost surely, 2^45420344 is an apocalyptic number.

It is an amenable number.

45420344 is a deficient number, since it is larger than the sum of its proper divisors (39742816).

45420344 is a wasteful number, since it uses less digits than its factorization.

45420344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5677549 (or 5677545 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 26.

The square root of 45420344 is about 6739.4616995722. The cubic root of 45420344 is about 356.7933952473.

Adding to 45420344 its reverse (44302454), we get a palindrome (89722798).

The spelling of 45420344 in words is "forty-five million, four hundred twenty thousand, three hundred forty-four".