42145662 has 32 divisors (see below), whose sum is σ = 91219968. Its totient is φ = 12904416.

The previous prime is 42145651. The next prime is 42145679. The reversal of 42145662 is 26654124.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16183 + ... + 18605.

It is an arithmetic number, because the mean of its divisors is an integer number (2850624).

Almost surely, 2^42145662 is an apocalyptic number.

42145662 is an abundant number, since it is smaller than the sum of its proper divisors (49074306).

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

42145662 is a wasteful number, since it uses less digits than its factorization.

42145662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2664.

The product of its digits is 11520, while the sum is 30.

The square root of 42145662 is about 6491.9690387432. The cubic root of 42145662 is about 348.0040460621.

Adding to 42145662 its reverse (26654124), we get a palindrome (68799786).

The spelling of 42145662 in words is "forty-two million, one hundred forty-five thousand, six hundred sixty-two".