140551044 has 12 divisors (see below), whose sum is σ = 327952464. Its totient is φ = 46850344.

The previous prime is 140551043. The next prime is 140551057. The reversal of 140551044 is 440155041.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (140551043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5856282 + ... + 5856305.

It is an arithmetic number, because the mean of its divisors is an integer number (27329372).

Almost surely, 2^140551044 is an apocalyptic number.

It is an amenable number.

140551044 is an abundant number, since it is smaller than the sum of its proper divisors (187401420).

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

140551044 is a wasteful number, since it uses less digits than its factorization.

140551044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11712594 (or 11712592 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 140551044 is about 11855.4225567881. The cubic root of 140551044 is about 519.9297784861.

The spelling of 140551044 in words is "one hundred forty million, five hundred fifty-one thousand, forty-four".