65449146 has 16 divisors (see below), whose sum is σ = 149598144. Its totient is φ = 18699744.

The previous prime is 65449141. The next prime is 65449169. The reversal of 65449146 is 64194456.

It is not an unprimeable number, because it can be changed into a prime (65449141) 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, 779115 + ... + 779198.

It is an arithmetic number, because the mean of its divisors is an integer number (9349884).

Almost surely, 2^65449146 is an apocalyptic number.

65449146 is an abundant number, since it is smaller than the sum of its proper divisors (84148998).

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

65449146 is a wasteful number, since it uses less digits than its factorization.

65449146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1558325.

The product of its digits is 103680, while the sum is 39.

The square root of 65449146 is about 8090.0646474549. The cubic root of 65449146 is about 402.9965498333.

The spelling of 65449146 in words is "sixty-five million, four hundred forty-nine thousand, one hundred forty-six".