65144094 has 16 divisors (see below), whose sum is σ = 130506768. Its totient is φ = 21678272.

The previous prime is 65144089. The next prime is 65144099. The reversal of 65144094 is 49044156.

It is an interprime number because it is at equal distance from previous prime (65144089) and next prime (65144099).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65144099) 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, 5097 + ... + 12500.

It is an arithmetic number, because the mean of its divisors is an integer number (8156673).

Almost surely, 2^65144094 is an apocalyptic number.

65144094 is an abundant number, since it is smaller than the sum of its proper divisors (65362674).

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

65144094 is a wasteful number, since it uses less digits than its factorization.

65144094 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18219.

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 65144094 is about 8071.1891317203. The cubic root of 65144094 is about 402.3694655347.

The spelling of 65144094 in words is "sixty-five million, one hundred forty-four thousand, ninety-four".