140552172 has 72 divisors (see below), whose sum is σ = 384523776. Its totient is φ = 44806608.

The previous prime is 140552161. The next prime is 140552207. The reversal of 140552172 is 271255041.

140552172 is a `hidden beast` number, since 1 + 40 + 552 + 1 + 72 = 666.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19213 + ... + 25499.

It is an arithmetic number, because the mean of its divisors is an integer number (5340608).

Almost surely, 2^140552172 is an apocalyptic number.

140552172 is a gapful number since it is divisible by the number (12) 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 140552172, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (192261888).

140552172 is an abundant number, since it is smaller than the sum of its proper divisors (243971604).

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

140552172 is a wasteful number, since it uses less digits than its factorization.

140552172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6329 (or 6315 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 27.

The square root of 140552172 is about 11855.4701298599. The cubic root of 140552172 is about 519.9311693905.

The spelling of 140552172 in words is "one hundred forty million, five hundred fifty-two thousand, one hundred seventy-two".