47228139045 has 80 divisors (see below), whose sum is σ = 87114099072. Its totient is φ = 24465006720.

The previous prime is 47228139043. The next prime is 47228139053. The reversal of 47228139045 is 54093182274.

47228139045 is a `hidden beast` number, since 472 + 2 + 8 + 139 + 0 + 45 = 666.

47228139045 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 47228139045 - 2¹ = 47228139043 is a prime.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47228139041) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 3144624 + ... + 3159606.

Almost surely, 2^47228139045 is an apocalyptic number.

47228139045 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

47228139045 is a deficient number, since it is larger than the sum of its proper divisors (39885960027).

47228139045 is a wasteful number, since it uses less digits than its factorization.

47228139045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15224 (or 15215 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The spelling of 47228139045 in words is "forty-seven billion, two hundred twenty-eight million, one hundred thirty-nine thousand, forty-five".