45388545 has 16 divisors (see below), whose sum is σ = 75779712. Its totient is φ = 23154560.

The previous prime is 45388537. The next prime is 45388559. The reversal of 45388545 is 54588354.

It is not a de Polignac number, because 45388545 - 2³ = 45388537 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 45388497 and 45388506.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65436 + ... + 66125.

It is an arithmetic number, because the mean of its divisors is an integer number (4736232).

Almost surely, 2^45388545 is an apocalyptic number.

It is an amenable number.

45388545 is a deficient number, since it is larger than the sum of its proper divisors (30391167).

45388545 is a wasteful number, since it uses less digits than its factorization.

45388545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131592.

The product of its digits is 384000, while the sum is 42.

The square root of 45388545 is about 6737.1021218325. The cubic root of 45388545 is about 356.7101115545.

The spelling of 45388545 in words is "forty-five million, three hundred eighty-eight thousand, five hundred forty-five".