51342154 has 8 divisors (see below), whose sum is σ = 78318720. Its totient is φ = 25235916.

The previous prime is 51342149. The next prime is 51342157. The reversal of 51342154 is 45124315.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (51342157) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 217434 + ... + 217669.

It is an arithmetic number, because the mean of its divisors is an integer number (9789840).

Almost surely, 2^51342154 is an apocalyptic number.

51342154 is a deficient number, since it is larger than the sum of its proper divisors (26976566).

51342154 is a wasteful number, since it uses less digits than its factorization.

51342154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 435164.

The product of its digits is 2400, while the sum is 25.

The square root of 51342154 is about 7165.3439554567. The cubic root of 51342154 is about 371.6704455992.

Adding to 51342154 its reverse (45124315), we get a palindrome (96466469).

The spelling of 51342154 in words is "fifty-one million, three hundred forty-two thousand, one hundred fifty-four".