47645144 has 32 divisors (see below), whose sum is σ = 96444000. Its totient is φ = 21998592.

The previous prime is 47645123. The next prime is 47645149. The reversal of 47645144 is 44154674.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47645149) 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, 872 + ... + 9800.

It is an arithmetic number, because the mean of its divisors is an integer number (3013875).

Almost surely, 2^47645144 is an apocalyptic number.

It is an amenable number.

47645144 is an abundant number, since it is smaller than the sum of its proper divisors (48798856).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

47645144 is a wasteful number, since it uses less digits than its factorization.

47645144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8987 (or 8983 counting only the distinct ones).

The product of its digits is 53760, while the sum is 35.

The square root of 47645144 is about 6902.5461968755. The cubic root of 47645144 is about 362.5263245251.

The spelling of 47645144 in words is "forty-seven million, six hundred forty-five thousand, one hundred forty-four".