45446938 has 4 divisors (see below), whose sum is σ = 68170410. Its totient is φ = 22723468.

The previous prime is 45446903. The next prime is 45446939. The reversal of 45446938 is 83964454.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 33907329 + 11539609 = 5823^2 + 3397^2 .

It is a junction number, because it is equal to n+sod(n) for n = 45446894 and 45446903.

It is not an unprimeable number, because it can be changed into a prime (45446939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11361733 + ... + 11361736.

Almost surely, 2^45446938 is an apocalyptic number.

45446938 is a deficient number, since it is larger than the sum of its proper divisors (22723472).

45446938 is a wasteful number, since it uses less digits than its factorization.

45446938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22723471.

The product of its digits is 414720, while the sum is 43.

The square root of 45446938 is about 6741.4344170955. The cubic root of 45446938 is about 356.8630168562.

The spelling of 45446938 in words is "forty-five million, four hundred forty-six thousand, nine hundred thirty-eight".