45075572 has 6 divisors (see below), whose sum is σ = 78882258. Its totient is φ = 22537784.

The previous prime is 45075571. The next prime is 45075577. The reversal of 45075572 is 27557054.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 37871716 + 7203856 = 6154^2 + 2684^2 .

It is a super-2 number, since 2×45075572² = 4063614382254368, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45075571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5634443 + ... + 5634450.

It is an arithmetic number, because the mean of its divisors is an integer number (13147043).

Almost surely, 2^45075572 is an apocalyptic number.

It is an amenable number.

45075572 is a deficient number, since it is larger than the sum of its proper divisors (33806686).

45075572 is a wasteful number, since it uses less digits than its factorization.

45075572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11268897 (or 11268895 counting only the distinct ones).

The product of its (nonzero) digits is 49000, while the sum is 35.

The square root of 45075572 is about 6713.8343738880. The cubic root of 45075572 is about 355.8883313438. Note that the first 3 decimals are identical.

The spelling of 45075572 in words is "forty-five million, seventy-five thousand, five hundred seventy-two".