47154456 has 24 divisors (see below), whose sum is σ = 127710180. Its totient is φ = 15718128.

The previous prime is 47154449. The next prime is 47154463. The reversal of 47154456 is 65445174.

It is an interprime number because it is at equal distance from previous prime (47154449) and next prime (47154463).

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 47154456.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 327390 + ... + 327533.

Almost surely, 2^47154456 is an apocalyptic number.

It is an amenable number.

47154456 is an abundant number, since it is smaller than the sum of its proper divisors (80555724).

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

47154456 is a wasteful number, since it uses less digits than its factorization.

47154456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 654935 (or 654928 counting only the distinct ones).

The product of its digits is 67200, while the sum is 36.

The square root of 47154456 is about 6866.9102222178. The cubic root of 47154456 is about 361.2774983358.

The spelling of 47154456 in words is "forty-seven million, one hundred fifty-four thousand, four hundred fifty-six".