45155505 has 8 divisors (see below), whose sum is σ = 72248832. Its totient is φ = 24082928.

The previous prime is 45155497. The next prime is 45155507. The reversal of 45155505 is 50555154.

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

It is a cyclic number.

It is not a de Polignac number, because 45155505 - 2³ = 45155497 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45155507) 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, 1505169 + ... + 1505198.

It is an arithmetic number, because the mean of its divisors is an integer number (9031104).

Almost surely, 2^45155505 is an apocalyptic number.

It is an amenable number.

45155505 is a deficient number, since it is larger than the sum of its proper divisors (27093327).

45155505 is a wasteful number, since it uses less digits than its factorization.

45155505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3010375.

The product of its (nonzero) digits is 12500, while the sum is 30.

The square root of 45155505 is about 6719.7845947619. The cubic root of 45155505 is about 356.0985739949.

The spelling of 45155505 in words is "forty-five million, one hundred fifty-five thousand, five hundred five".