45540147 has 8 divisors (see below), whose sum is σ = 62679040. Its totient is φ = 29380680.

The previous prime is 45540137. The next prime is 45540149. The reversal of 45540147 is 74104554.

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

It is not a de Polignac number, because 45540147 - 2²³ = 37151539 is a prime.

It is a super-3 number, since 3×45540147³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45540149) 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, 244747 + ... + 244932.

It is an arithmetic number, because the mean of its divisors is an integer number (7834880).

Almost surely, 2^45540147 is an apocalyptic number.

45540147 is a deficient number, since it is larger than the sum of its proper divisors (17138893).

45540147 is a wasteful number, since it uses less digits than its factorization.

45540147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 489713.

The product of its (nonzero) digits is 11200, while the sum is 30.

The square root of 45540147 is about 6748.3440190909. The cubic root of 45540147 is about 357.1068186188.

The spelling of 45540147 in words is "forty-five million, five hundred forty thousand, one hundred forty-seven".