51334145 has 8 divisors (see below), whose sum is σ = 61643904. Its totient is φ = 41038704.

The previous prime is 51334141. The next prime is 51334193. The reversal of 51334145 is 54143315.

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

It is a cyclic number.

It is not a de Polignac number, because 51334145 - 2² = 51334141 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51334141) 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, 7352 + ... + 12518.

It is an arithmetic number, because the mean of its divisors is an integer number (7705488).

Almost surely, 2^51334145 is an apocalyptic number.

It is an amenable number.

51334145 is a deficient number, since it is larger than the sum of its proper divisors (10309759).

51334145 is a wasteful number, since it uses less digits than its factorization.

51334145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7159.

The product of its digits is 3600, while the sum is 26.

The square root of 51334145 is about 7164.7850630706. The cubic root of 51334145 is about 371.6511186384.

The spelling of 51334145 in words is "fifty-one million, three hundred thirty-four thousand, one hundred forty-five".