102500240452 has 6 divisors (see below), whose sum is σ = 179375420798. Its totient is φ = 51250120224.

The previous prime is 102500240429. The next prime is 102500240483. The reversal of 102500240452 is 254042005201.

It can be written as a sum of positive squares in only one way, i.e., 69835461696 + 32664778756 = 264264^2 + 180734^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12812530053 + ... + 12812530060.

Almost surely, 2^102500240452 is an apocalyptic number.

It is an amenable number.

102500240452 is a deficient number, since it is larger than the sum of its proper divisors (76875180346).

102500240452 is a wasteful number, since it uses less digits than its factorization.

102500240452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25625060117 (or 25625060115 counting only the distinct ones).

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

Adding to 102500240452 its reverse (254042005201), we get a palindrome (356542245653).

The spelling of 102500240452 in words is "one hundred two billion, five hundred million, two hundred forty thousand, four hundred fifty-two".