102155246 has 8 divisors (see below), whose sum is σ = 153620040. Its totient is φ = 50948568.

The previous prime is 102155239. The next prime is 102155269. The reversal of 102155246 is 642551201.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63536 + ... + 65123.

It is an arithmetic number, because the mean of its divisors is an integer number (19202505).

Almost surely, 2^102155246 is an apocalyptic number.

102155246 is a deficient number, since it is larger than the sum of its proper divisors (51464794).

102155246 is a wasteful number, since it uses less digits than its factorization.

102155246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129058.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 102155246 is about 10107.1878383653. The cubic root of 102155246 is about 467.4697985389.

The spelling of 102155246 in words is "one hundred two million, one hundred fifty-five thousand, two hundred forty-six".