45345037 has 4 divisors (see below), whose sum is σ = 45447840. Its totient is φ = 45242236.

The previous prime is 45345023. The next prime is 45345049. The reversal of 45345037 is 73054354.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45345037 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45345007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50737 + ... + 51622.

It is an arithmetic number, because the mean of its divisors is an integer number (11361960).

Almost surely, 2^45345037 is an apocalyptic number.

It is an amenable number.

45345037 is a deficient number, since it is larger than the sum of its proper divisors (102803).

45345037 is a wasteful number, since it uses less digits than its factorization.

45345037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102802.

The product of its (nonzero) digits is 25200, while the sum is 31.

The square root of 45345037 is about 6733.8723629127. The cubic root of 45345037 is about 356.5960981687.

The spelling of 45345037 in words is "forty-five million, three hundred forty-five thousand, thirty-seven".