102251452532 has 6 divisors (see below), whose sum is σ = 178940041938. Its totient is φ = 51125726264.

The previous prime is 102251452531. The next prime is 102251452571. The reversal of 102251452532 is 235254152201.

It can be written as a sum of positive squares in only one way, i.e., 102250294756 + 1157776 = 319766^2 + 1076^2 .

It is a super-2 number, since 2×102251452532² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102251452531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12781431563 + ... + 12781431570.

It is an arithmetic number, because the mean of its divisors is an integer number (29823340323).

Almost surely, 2^102251452532 is an apocalyptic number.

It is an amenable number.

102251452532 is a deficient number, since it is larger than the sum of its proper divisors (76688589406).

102251452532 is a wasteful number, since it uses less digits than its factorization.

102251452532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25562863137 (or 25562863135 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 32.

The spelling of 102251452532 in words is "one hundred two billion, two hundred fifty-one million, four hundred fifty-two thousand, five hundred thirty-two".