45722546 has 4 divisors (see below), whose sum is σ = 68583822. Its totient is φ = 22861272.

The previous prime is 45722543. The next prime is 45722561. The reversal of 45722546 is 64522754.

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., 26265625 + 19456921 = 5125^2 + 4411^2 .

It is not an unprimeable number, because it can be changed into a prime (45722543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11430635 + ... + 11430638.

Almost surely, 2^45722546 is an apocalyptic number.

45722546 is a deficient number, since it is larger than the sum of its proper divisors (22861276).

45722546 is a wasteful number, since it uses less digits than its factorization.

45722546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22861275.

The product of its digits is 67200, while the sum is 35.

The square root of 45722546 is about 6761.8448666026. The cubic root of 45722546 is about 357.5829491125.

The spelling of 45722546 in words is "forty-five million, seven hundred twenty-two thousand, five hundred forty-six".