102146045 has 8 divisors (see below), whose sum is σ = 122678496. Its totient is φ = 81648016.

The previous prime is 102146041. The next prime is 102146089. The reversal of 102146045 is 540641201.

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

It is a cyclic number.

It is not a de Polignac number, because 102146045 - 2² = 102146041 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 102146045.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102146041) 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, 1547 + ... + 14376.

It is an arithmetic number, because the mean of its divisors is an integer number (15334812).

Almost surely, 2^102146045 is an apocalyptic number.

It is an amenable number.

102146045 is a deficient number, since it is larger than the sum of its proper divisors (20532451).

102146045 is a wasteful number, since it uses less digits than its factorization.

102146045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17211.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 102146045 is about 10106.7326569965. The cubic root of 102146045 is about 467.4557633036.

Adding to 102146045 its reverse (540641201), we get a palindrome (642787246).

The spelling of 102146045 in words is "one hundred two million, one hundred forty-six thousand, forty-five".