45037738 has 16 divisors (see below), whose sum is σ = 68591880. Its totient is φ = 22176000.

The previous prime is 45037711. The next prime is 45037747. The reversal of 45037738 is 83773054.

It can be written as a sum of positive squares in 4 ways, for example, as 25030009 + 20007729 = 5003^2 + 4473^2 .

It is a junction number, because it is equal to n+sod(n) for n = 45037697 and 45037706.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74638 + ... + 75238.

Almost surely, 2^45037738 is an apocalyptic number.

45037738 is a deficient number, since it is larger than the sum of its proper divisors (23554142).

45037738 is a wasteful number, since it uses less digits than its factorization.

45037738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1113.

The product of its (nonzero) digits is 70560, while the sum is 37.

The square root of 45037738 is about 6711.0161674667. The cubic root of 45037738 is about 355.7887323262.

The spelling of 45037738 in words is "forty-five million, thirty-seven thousand, seven hundred thirty-eight".