140998442 has 16 divisors (see below), whose sum is σ = 241165512. Its totient is φ = 61248000.

The previous prime is 140998433. The next prime is 140998513. The reversal of 140998442 is 244899041.

It can be written as a sum of positive squares in 4 ways, for example, as 83375161 + 57623281 = 9131^2 + 7591^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 140998442.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 159059 + ... + 159942.

Almost surely, 2^140998442 is an apocalyptic number.

140998442 is a deficient number, since it is larger than the sum of its proper divisors (100167070).

140998442 is a wasteful number, since it uses less digits than its factorization.

140998442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319033.

The product of its (nonzero) digits is 82944, while the sum is 41.

The square root of 140998442 is about 11874.2764832220. The cubic root of 140998442 is about 520.4808692823.

The spelling of 140998442 in words is "one hundred forty million, nine hundred ninety-eight thousand, four hundred forty-two".