102555542 has 8 divisors (see below), whose sum is σ = 159138000. Its totient is φ = 49509544.

The previous prime is 102555463. The next prime is 102555619. The reversal of 102555542 is 245555201.

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

It is a Harshad number since it is a multiple of its sum of digits (29).

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, 884042 + ... + 884157.

It is an arithmetic number, because the mean of its divisors is an integer number (19892250).

Almost surely, 2^102555542 is an apocalyptic number.

102555542 is a deficient number, since it is larger than the sum of its proper divisors (56582458).

102555542 is a wasteful number, since it uses less digits than its factorization.

102555542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1768230.

The product of its (nonzero) digits is 10000, while the sum is 29.

The square root of 102555542 is about 10126.9710180290. The cubic root of 102555542 is about 468.0795972194.

It can be divided in two parts, 10 and 2555542, that added together give a palindrome (2555552).

The spelling of 102555542 in words is "one hundred two million, five hundred fifty-five thousand, five hundred forty-two".