45509073 has 8 divisors (see below), whose sum is σ = 60732000. Its totient is φ = 30312768.

The previous prime is 45509069. The next prime is 45509081. The reversal of 45509073 is 37090554.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 45509073 - 2² = 45509069 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45509063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2248 + ... + 9801.

It is an arithmetic number, because the mean of its divisors is an integer number (7591500).

Almost surely, 2^45509073 is an apocalyptic number.

It is an amenable number.

45509073 is a deficient number, since it is larger than the sum of its proper divisors (15222927).

45509073 is a wasteful number, since it uses less digits than its factorization.

45509073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13311.

The product of its (nonzero) digits is 18900, while the sum is 33.

The square root of 45509073 is about 6746.0412835974. The cubic root of 45509073 is about 357.0255770265.

The spelling of 45509073 in words is "forty-five million, five hundred nine thousand, seventy-three".