102387237444 has 18 divisors (see below), whose sum is σ = 258812183630. Its totient is φ = 34129079136.

The previous prime is 102387237409. The next prime is 102387237479. The reversal of 102387237444 is 444732783201.

102387237444 is a `hidden beast` number, since 1 + 0 + 238 + 7 + 2 + 374 + 44 = 666.

It is an interprime number because it is at equal distance from previous prime (102387237409) and next prime (102387237479).

It can be written as a sum of positive squares in only one way, i.e., 99830721600 + 2556515844 = 315960^2 + 50562^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a self number, because there is not a number n which added to its sum of digits gives 102387237444.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1422044929 + ... + 1422045000.

Almost surely, 2^102387237444 is an apocalyptic number.

It is an amenable number.

102387237444 is an abundant number, since it is smaller than the sum of its proper divisors (156424946186).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102387237444 is a wasteful number, since it uses less digits than its factorization.

102387237444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2844089939 (or 2844089934 counting only the distinct ones).

The product of its (nonzero) digits is 903168, while the sum is 45.

The spelling of 102387237444 in words is "one hundred two billion, three hundred eighty-seven million, two hundred thirty-seven thousand, four hundred forty-four".