140172144 has 120 divisors (see below), whose sum is σ = 428575248. Its totient is φ = 39352320.

The previous prime is 140172127. The next prime is 140172161. The reversal of 140172144 is 441271041.

140172144 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (140172127) and next prime (140172161).

It is a super-4 number, since 4×140172144⁴ (a number of 34 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 142984 + ... + 143960.

Almost surely, 2^140172144 is an apocalyptic number.

140172144 is a gapful number since it is divisible by the number (14) 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 140172144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (214287624).

140172144 is an abundant number, since it is smaller than the sum of its proper divisors (288403104).

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

140172144 is a wasteful number, since it uses less digits than its factorization.

140172144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1063 (or 1050 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 24.

The square root of 140172144 is about 11839.4317431201. The cubic root of 140172144 is about 519.4621460405.

It can be divided in two parts, 14017 and 2144, that added together give a palindrome (16161).

The spelling of 140172144 in words is "one hundred forty million, one hundred seventy-two thousand, one hundred forty-four".