102315153240 has 160 divisors (see below), whose sum is σ = 344015100000. Its totient is φ = 27274323456.

The previous prime is 102315153139. The next prime is 102315153247. The reversal of 102315153240 is 42351513201.

102315153240 is a `hidden beast` number, since 10 + 2 + 31 + 51 + 532 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102315153247) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 17489836 + ... + 17495684.

It is an arithmetic number, because the mean of its divisors is an integer number (2150094375).

Almost surely, 2^102315153240 is an apocalyptic number.

102315153240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102315153240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (172007550000).

102315153240 is an abundant number, since it is smaller than the sum of its proper divisors (241699946760).

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

102315153240 is a wasteful number, since it uses less digits than its factorization.

102315153240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11271 (or 11258 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

Adding to 102315153240 its reverse (42351513201), we get a palindrome (144666666441).

The spelling of 102315153240 in words is "one hundred two billion, three hundred fifteen million, one hundred fifty-three thousand, two hundred forty".