102265642 has 8 divisors (see below), whose sum is σ = 162421956. Its totient is φ = 48124992.

The previous prime is 102265633. The next prime is 102265643. The reversal of 102265642 is 246562201.

It can be written as a sum of positive squares in 2 ways, for example, as 91183401 + 11082241 = 9549^2 + 3329^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 102265642.

It is not an unprimeable number, because it can be changed into a prime (102265643) 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, 1503873 + ... + 1503940.

Almost surely, 2^102265642 is an apocalyptic number.

102265642 is a deficient number, since it is larger than the sum of its proper divisors (60156314).

102265642 is a wasteful number, since it uses less digits than its factorization.

102265642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3007832.

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

The square root of 102265642 is about 10112.6476256221. The cubic root of 102265642 is about 467.6381312779.

The spelling of 102265642 in words is "one hundred two million, two hundred sixty-five thousand, six hundred forty-two".