140458752 has 144 divisors (see below), whose sum is σ = 474862080. Its totient is φ = 40117248.

The previous prime is 140458751. The next prime is 140458819. The reversal of 140458752 is 257854041.

It is a tau number, because it is divible by the number of its divisors (144).

It is a super-2 number, since 2×140458752² = 39457322026795008, which contains 22 as substring.

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 (140458751) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46933 + ... + 49835.

Almost surely, 2^140458752 is an apocalyptic number.

140458752 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 140458752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (237431040).

140458752 is an abundant number, since it is smaller than the sum of its proper divisors (334403328).

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

140458752 is an equidigital number, since it uses as much as digits as its factorization.

140458752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2935 (or 2915 counting only the distinct ones).

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

The square root of 140458752 is about 11851.5295215428. The cubic root of 140458752 is about 519.8159506442.

The spelling of 140458752 in words is "one hundred forty million, four hundred fifty-eight thousand, seven hundred fifty-two".