45838738 has 32 divisors (see below), whose sum is σ = 77837760. Its totient is φ = 20064000.

The previous prime is 45838733. The next prime is 45838753. The reversal of 45838738 is 83783854.

It is not an unprimeable number, because it can be changed into a prime (45838733) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79993 + ... + 80563.

It is an arithmetic number, because the mean of its divisors is an integer number (2432430).

Almost surely, 2^45838738 is an apocalyptic number.

45838738 is a deficient number, since it is larger than the sum of its proper divisors (31999022).

45838738 is a wasteful number, since it uses less digits than its factorization.

45838738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 714.

The product of its digits is 645120, while the sum is 46.

The square root of 45838738 is about 6770.4311531837. The cubic root of 45838738 is about 357.8855943538.

Subtracting 45838738 from its reverse (83783854), we obtain a triangular number (37945116 = T₈₇₁₁).

It can be divided in two parts, 4583873 and 8, that added together give a square (4583881 = 2141²).

The spelling of 45838738 in words is "forty-five million, eight hundred thirty-eight thousand, seven hundred thirty-eight".