140557248 has 112 divisors (see below), whose sum is σ = 445068960. Its totient is φ = 43241472.

The previous prime is 140557247. The next prime is 140557253. The reversal of 140557248 is 842755041.

140557248 is a `hidden beast` number, since 1 + 40 + 5 + 572 + 48 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140557243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19336 + ... + 25592.

It is an arithmetic number, because the mean of its divisors is an integer number (3973830).

Almost surely, 2^140557248 is an apocalyptic number.

140557248 is a gapful number since it is divisible by the number (18) 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 140557248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (222534480).

140557248 is an abundant number, since it is smaller than the sum of its proper divisors (304511712).

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

140557248 is a wasteful number, since it uses less digits than its factorization.

140557248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6291 (or 6275 counting only the distinct ones).

The product of its (nonzero) digits is 44800, while the sum is 36.

The square root of 140557248 is about 11855.6842063206. The cubic root of 140557248 is about 519.9374283685.

It can be divided in two parts, 1405 and 57248, that added together give a triangular number (58653 = T₃₄₂).

The spelling of 140557248 in words is "one hundred forty million, five hundred fifty-seven thousand, two hundred forty-eight".