102153530 has 8 divisors (see below), whose sum is σ = 183876372. Its totient is φ = 40861408.

The previous prime is 102153529. The next prime is 102153539. The reversal of 102153530 is 35351201.

It can be written as a sum of positive squares in 2 ways, for example, as 99660289 + 2493241 = 9983^2 + 1579^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (102153539) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5107667 + ... + 5107686.

Almost surely, 2^102153530 is an apocalyptic number.

102153530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102153530 is a deficient number, since it is larger than the sum of its proper divisors (81722842).

102153530 is a wasteful number, since it uses less digits than its factorization.

102153530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10215360.

The product of its (nonzero) digits is 450, while the sum is 20.

The square root of 102153530 is about 10107.1029479273. The cubic root of 102153530 is about 467.4671810109.

The spelling of 102153530 in words is "one hundred two million, one hundred fifty-three thousand, five hundred thirty".