102154081740 has 48 divisors (see below), whose sum is σ = 286445483520. Its totient is φ = 27201654720.

The previous prime is 102154081709. The next prime is 102154081741. The reversal of 102154081740 is 47180451201.

It is a super-2 number, since 2×102154081740² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (102154081741) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1190500 + ... + 1273419.

It is an arithmetic number, because the mean of its divisors is an integer number (5967614240).

Almost surely, 2^102154081740 is an apocalyptic number.

102154081740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102154081740 is an abundant number, since it is smaller than the sum of its proper divisors (184291401780).

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

102154081740 is a wasteful number, since it uses less digits than its factorization.

102154081740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2464622 (or 2464620 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 33.

The spelling of 102154081740 in words is "one hundred two billion, one hundred fifty-four million, eighty-one thousand, seven hundred forty".