65142046 has 4 divisors (see below), whose sum is σ = 97713072. Its totient is φ = 32571022.

The previous prime is 65142029. The next prime is 65142073. The reversal of 65142046 is 64024156.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×65142046² = 8486972314132232, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16285510 + ... + 16285513.

It is an arithmetic number, because the mean of its divisors is an integer number (24428268).

Almost surely, 2^65142046 is an apocalyptic number.

65142046 is a deficient number, since it is larger than the sum of its proper divisors (32571026).

65142046 is a wasteful number, since it uses less digits than its factorization.

65142046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32571025.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 65142046 is about 8071.0622597029. The cubic root of 65142046 is about 402.3652489268.

The spelling of 65142046 in words is "sixty-five million, one hundred forty-two thousand, forty-six".