65154642 has 32 divisors (see below), whose sum is σ = 157686912. Its totient is φ = 17520384.

The previous prime is 65154601. The next prime is 65154647. The reversal of 65154642 is 24645156.

65154642 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (65154647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44913 + ... + 46340.

It is an arithmetic number, because the mean of its divisors is an integer number (4927716).

Almost surely, 2^65154642 is an apocalyptic number.

65154642 is an abundant number, since it is smaller than the sum of its proper divisors (92532270).

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

65154642 is a wasteful number, since it uses less digits than its factorization.

65154642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91282.

The product of its digits is 28800, while the sum is 33.

The square root of 65154642 is about 8071.8425405851. The cubic root of 65154642 is about 402.3911813128.

Adding to 65154642 its reverse (24645156), we get a palindrome (89799798).

The spelling of 65154642 in words is "sixty-five million, one hundred fifty-four thousand, six hundred forty-two".