140453244 has 48 divisors (see below), whose sum is σ = 383308800. Its totient is φ = 44353008.

The previous prime is 140453227. The next prime is 140453267. The reversal of 140453244 is 442354041.

It is a happy number.

It is a super-2 number, since 2×140453244² = 39454227500247072, which contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32172 + ... + 36275.

It is an arithmetic number, because the mean of its divisors is an integer number (7985600).

Almost surely, 2^140453244 is an apocalyptic number.

It is an amenable number.

140453244 is an abundant number, since it is smaller than the sum of its proper divisors (242855556).

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

140453244 is a wasteful number, since it uses less digits than its factorization.

140453244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68479 (or 68471 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

The square root of 140453244 is about 11851.2971441948. The cubic root of 140453244 is about 519.8091558055.

The spelling of 140453244 in words is "one hundred forty million, four hundred fifty-three thousand, two hundred forty-four".