45454216 has 8 divisors (see below), whose sum is σ = 85226670. Its totient is φ = 22727104.

The previous prime is 45454183. The next prime is 45454237. The reversal of 45454216 is 61245454.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 33524100 + 11930116 = 5790^2 + 3454^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2840881 + ... + 2840896.

Almost surely, 2^45454216 is an apocalyptic number.

It is an amenable number.

45454216 is a deficient number, since it is larger than the sum of its proper divisors (39772454).

45454216 is a wasteful number, since it uses less digits than its factorization.

45454216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5681783 (or 5681779 counting only the distinct ones).

The product of its digits is 19200, while the sum is 31.

The square root of 45454216 is about 6741.9741915851. The cubic root of 45454216 is about 356.8820655206.

The spelling of 45454216 in words is "forty-five million, four hundred fifty-four thousand, two hundred sixteen".