102542452 has 6 divisors (see below), whose sum is σ = 179449298. Its totient is φ = 51271224.

The previous prime is 102542423. The next prime is 102542471. The reversal of 102542452 is 254245201.

It can be written as a sum of positive squares in only one way, i.e., 94556176 + 7986276 = 9724^2 + 2826^2 .

It is a congruent number.

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 as a sum of consecutive naturals, namely, 12817803 + ... + 12817810.

Almost surely, 2^102542452 is an apocalyptic number.

It is an amenable number.

102542452 is a deficient number, since it is larger than the sum of its proper divisors (76906846).

102542452 is a wasteful number, since it uses less digits than its factorization.

102542452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25635617 (or 25635615 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 102542452 is about 10126.3247034647. The cubic root of 102542452 is about 468.0596814336.

Adding to 102542452 its reverse (254245201), we get a palindrome (356787653).

The spelling of 102542452 in words is "one hundred two million, five hundred forty-two thousand, four hundred fifty-two".