208146442 has 8 divisors (see below), whose sum is σ = 356822496. Its totient is φ = 89205612.

The previous prime is 208146439. The next prime is 208146443. The reversal of 208146442 is 244641802.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (208146443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7433788 + ... + 7433815.

It is an arithmetic number, because the mean of its divisors is an integer number (44602812).

Almost surely, 2^208146442 is an apocalyptic number.

208146442 is a deficient number, since it is larger than the sum of its proper divisors (148676054).

208146442 is a wasteful number, since it uses less digits than its factorization.

208146442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14867612.

The product of its (nonzero) digits is 12288, while the sum is 31.

The square root of 208146442 is about 14427.2811714474. The cubic root of 208146442 is about 592.6382303724.

The spelling of 208146442 in words is "two hundred eight million, one hundred forty-six thousand, four hundred forty-two".