47151455 has 32 divisors (see below), whose sum is σ = 65536128. Its totient is φ = 32256000.

The previous prime is 47151439. The next prime is 47151463. The reversal of 47151455 is 55415174.

It is not a de Polignac number, because 47151455 - 2⁴ = 47151439 is a prime.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 78155 + ... + 78755.

It is an arithmetic number, because the mean of its divisors is an integer number (2048004).

Almost surely, 2^47151455 is an apocalyptic number.

47151455 is a deficient number, since it is larger than the sum of its proper divisors (18384673).

47151455 is a wasteful number, since it uses less digits than its factorization.

47151455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 707.

The product of its digits is 14000, while the sum is 32.

The square root of 47151455 is about 6866.6917070741. The cubic root of 47151455 is about 361.2698340423.

The spelling of 47151455 in words is "forty-seven million, one hundred fifty-one thousand, four hundred fifty-five".