45129227 has 8 divisors (see below), whose sum is σ = 53019120. Its totient is φ = 37870560.

The previous prime is 45129223. The next prime is 45129229. The reversal of 45129227 is 72292154.

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

It is not a de Polignac number, because 45129227 - 2² = 45129223 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 45129193 and 45129202.

It is not an unprimeable number, because it can be changed into a prime (45129223) 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, 157652 + ... + 157937.

It is an arithmetic number, because the mean of its divisors is an integer number (6627390).

Almost surely, 2^45129227 is an apocalyptic number.

45129227 is a deficient number, since it is larger than the sum of its proper divisors (7889893).

45129227 is a wasteful number, since it uses less digits than its factorization.

45129227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315613.

The product of its digits is 10080, while the sum is 32.

The square root of 45129227 is about 6717.8290392060. The cubic root of 45129227 is about 356.0294840497.

The spelling of 45129227 in words is "forty-five million, one hundred twenty-nine thousand, two hundred twenty-seven".