45537733 has 4 divisors (see below), whose sum is σ = 46114240. Its totient is φ = 44961228.

The previous prime is 45537721. The next prime is 45537763. The reversal of 45537733 is 33773554.

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, and also an emirpimes, since its reverse is a distinct semiprime: 33773554 = 2 ⋅16886777.

It is a cyclic number.

It is not a de Polignac number, because 45537733 - 2²¹ = 43440581 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45537692 and 45537701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45537703) 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, 288135 + ... + 288292.

It is an arithmetic number, because the mean of its divisors is an integer number (11528560).

Almost surely, 2^45537733 is an apocalyptic number.

It is an amenable number.

45537733 is a deficient number, since it is larger than the sum of its proper divisors (576507).

45537733 is an equidigital number, since it uses as much as digits as its factorization.

45537733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 576506.

The product of its digits is 132300, while the sum is 37.

The square root of 45537733 is about 6748.1651580263. The cubic root of 45537733 is about 357.1005086473.

The spelling of 45537733 in words is "forty-five million, five hundred thirty-seven thousand, seven hundred thirty-three".