102210142 has 8 divisors (see below), whose sum is σ = 153585432. Its totient is φ = 51015000.

The previous prime is 102210133. The next prime is 102210151. The reversal of 102210142 is 241012201.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (102210133) and next prime (102210151).

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, 43609 + ... + 45892.

It is an arithmetic number, because the mean of its divisors is an integer number (19198179).

Almost surely, 2^102210142 is an apocalyptic number.

102210142 is a deficient number, since it is larger than the sum of its proper divisors (51375290).

102210142 is an equidigital number, since it uses as much as digits as its factorization.

102210142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90074.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 102210142 is about 10109.9031647192. The cubic root of 102210142 is about 467.5535195670.

Adding to 102210142 its reverse (241012201), we get a palindrome (343222343).

The spelling of 102210142 in words is "one hundred two million, two hundred ten thousand, one hundred forty-two".