45309038 has 4 divisors (see below), whose sum is σ = 67963560. Its totient is φ = 22654518.

The previous prime is 45309037. The next prime is 45309067. The reversal of 45309038 is 83090354.

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

It is a junction number, because it is equal to n+sod(n) for n = 45308995 and 45309013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45309037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11327258 + ... + 11327261.

It is an arithmetic number, because the mean of its divisors is an integer number (16990890).

Almost surely, 2^45309038 is an apocalyptic number.

45309038 is a deficient number, since it is larger than the sum of its proper divisors (22654522).

45309038 is a wasteful number, since it uses less digits than its factorization.

45309038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22654521.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 45309038 is about 6731.1988531019. The cubic root of 45309038 is about 356.5017070852.

The spelling of 45309038 in words is "forty-five million, three hundred nine thousand, thirty-eight".