47427290145 has 48 divisors (see below), whose sum is σ = 82627534080. Its totient is φ = 25165504512.

The previous prime is 47427290137. The next prime is 47427290147. The reversal of 47427290145 is 54109272474.

It is not a de Polignac number, because 47427290145 - 2³ = 47427290137 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 47427290145.

It is not an unprimeable number, because it can be changed into a prime (47427290147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12014062 + ... + 12018008.

It is an arithmetic number, because the mean of its divisors is an integer number (1721406960).

Almost surely, 2^47427290145 is an apocalyptic number.

47427290145 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

47427290145 is a deficient number, since it is larger than the sum of its proper divisors (35200243935).

47427290145 is a wasteful number, since it uses less digits than its factorization.

47427290145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5254 (or 5251 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 45.

The spelling of 47427290145 in words is "forty-seven billion, four hundred twenty-seven million, two hundred ninety thousand, one hundred forty-five".