102151460 has 24 divisors (see below), whose sum is σ = 214743480. Its totient is φ = 40817664.

The previous prime is 102151457. The next prime is 102151471. The reversal of 102151460 is 64151201.

It can be written as a sum of positive squares in 4 ways, for example, as 21977344 + 80174116 = 4688^2 + 8954^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22676 + ... + 26804.

It is an arithmetic number, because the mean of its divisors is an integer number (8947645).

Almost surely, 2^102151460 is an apocalyptic number.

102151460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102151460 is an abundant number, since it is smaller than the sum of its proper divisors (112592020).

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

102151460 is a wasteful number, since it uses less digits than its factorization.

102151460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5375 (or 5373 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 102151460 is about 10107.0005441773. Note that the first 3 decimals coincide. The cubic root of 102151460 is about 467.4640234642.

The spelling of 102151460 in words is "one hundred two million, one hundred fifty-one thousand, four hundred sixty".