65152444 has 96 divisors (see below), whose sum is σ = 146764800. Its totient is φ = 24675840.

The previous prime is 65152441. The next prime is 65152447. The reversal of 65152444 is 44425156.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (65152441) and next prime (65152447).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65152441) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 632497 + ... + 632599.

It is an arithmetic number, because the mean of its divisors is an integer number (1528800).

Almost surely, 2^65152444 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65152444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73382400).

65152444 is an abundant number, since it is smaller than the sum of its proper divisors (81612356).

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

65152444 is a wasteful number, since it uses less digits than its factorization.

65152444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203 (or 201 counting only the distinct ones).

The product of its digits is 19200, while the sum is 31.

The square root of 65152444 is about 8071.7063871278. The cubic root of 65152444 is about 402.3866563563.

The spelling of 65152444 in words is "sixty-five million, one hundred fifty-two thousand, four hundred forty-four".