140046 has 16 divisors (see below), whose sum is σ = 296784. Its totient is φ = 43904.

The previous prime is 140009. The next prime is 140053. The reversal of 140046 is 640041.

140046 = 44² + 45² + ... + 79².

It is a super-2 number, since 2×140046² = 39225764232, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 585 + ... + 788.

It is an arithmetic number, because the mean of its divisors is an integer number (18549).

2¹⁴⁰⁰⁴⁶ is an apocalyptic number.

140046 is an abundant number, since it is smaller than the sum of its proper divisors (156738).

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

140046 is a wasteful number, since it uses less digits than its factorization.

140046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1395.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 140046 is about 374.2272037145. The cubic root of 140046 is about 51.9306274131.

Adding to 140046 its reverse (640041), we get a palindrome (780087).

The spelling of 140046 in words is "one hundred forty thousand, forty-six".