51154146 has 16 divisors (see below), whose sum is σ = 113676000. Its totient is φ = 17051364.

The previous prime is 51154111. The next prime is 51154157. The reversal of 51154146 is 64145115.

51154146 is a `hidden beast` number, since 511 + 5 + 4 + 146 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 473596 + ... + 473703.

It is an arithmetic number, because the mean of its divisors is an integer number (7104750).

Almost surely, 2^51154146 is an apocalyptic number.

51154146 is an abundant number, since it is smaller than the sum of its proper divisors (62521854).

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

51154146 is a wasteful number, since it uses less digits than its factorization.

51154146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 947310 (or 947304 counting only the distinct ones).

The product of its digits is 2400, while the sum is 27.

The square root of 51154146 is about 7152.2126646234. The cubic root of 51154146 is about 371.2162218018.

It can be divided in two parts, 5115 and 4146, that added together give a cube (9261 = 21³).

The spelling of 51154146 in words is "fifty-one million, one hundred fifty-four thousand, one hundred forty-six".