102834145 has 8 divisors (see below), whose sum is σ = 127656360. Its totient is φ = 79430400.

The previous prime is 102834133. The next prime is 102834163. The reversal of 102834145 is 541438201.

It can be written as a sum of positive squares in 4 ways, for example, as 16548624 + 86285521 = 4068^2 + 9289^2 .

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

It is a de Polignac number, because none of the positive numbers 2^k-102834145 is a prime.

It is a super-2 number, since 2×102834145² = 21149722755762050, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 354456 + ... + 354745.

It is an arithmetic number, because the mean of its divisors is an integer number (15957045).

Almost surely, 2^102834145 is an apocalyptic number.

It is an amenable number.

102834145 is a deficient number, since it is larger than the sum of its proper divisors (24822215).

102834145 is an equidigital number, since it uses as much as digits as its factorization.

102834145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 709235.

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 102834145 is about 10140.7171837104. The cubic root of 102834145 is about 468.5030765880.

The spelling of 102834145 in words is "one hundred two million, eight hundred thirty-four thousand, one hundred forty-five".