45277147 has 4 divisors (see below), whose sum is σ = 45309640. Its totient is φ = 45244656.

The previous prime is 45277139. The next prime is 45277153. The reversal of 45277147 is 74177254.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 45277147 - 2³ = 45277139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45277117) 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, 14058 + ... + 16975.

It is an arithmetic number, because the mean of its divisors is an integer number (11327410).

Almost surely, 2^45277147 is an apocalyptic number.

45277147 is a deficient number, since it is larger than the sum of its proper divisors (32493).

45277147 is a wasteful number, since it uses less digits than its factorization.

45277147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32492.

The product of its digits is 54880, while the sum is 37.

The square root of 45277147 is about 6728.8295416068. The cubic root of 45277147 is about 356.4180455987.

The spelling of 45277147 in words is "forty-five million, two hundred seventy-seven thousand, one hundred forty-seven".