102957145 has 8 divisors (see below), whose sum is σ = 125112960. Its totient is φ = 81322800.

The previous prime is 102957139. The next prime is 102957193. The reversal of 102957145 is 541759201.

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

It is not a de Polignac number, because 102957145 - 2¹⁵ = 102924377 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 102957145.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 129931 + ... + 130720.

It is an arithmetic number, because the mean of its divisors is an integer number (15639120).

Almost surely, 2^102957145 is an apocalyptic number.

It is an amenable number.

102957145 is a deficient number, since it is larger than the sum of its proper divisors (22155815).

102957145 is an equidigital number, since it uses as much as digits as its factorization.

102957145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260735.

The product of its (nonzero) digits is 12600, while the sum is 34.

The square root of 102957145 is about 10146.7800311232. The cubic root of 102957145 is about 468.6897944602.

The spelling of 102957145 in words is "one hundred two million, nine hundred fifty-seven thousand, one hundred forty-five".