144692089450 has 12 divisors (see below), whose sum is σ = 269127286470. Its totient is φ = 57876835760.

The previous prime is 144692089411. The next prime is 144692089469. The reversal of 144692089450 is 54980296441.

It can be written as a sum of positive squares in 3 ways, for example, as 64974519801 + 79717569649 = 254901^2 + 282343^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1446920845 + ... + 1446920944.

Almost surely, 2^144692089450 is an apocalyptic number.

144692089450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

144692089450 is a deficient number, since it is larger than the sum of its proper divisors (124435197020).

144692089450 is a wasteful number, since it uses less digits than its factorization.

144692089450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2893841801 (or 2893841796 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 52.

The spelling of 144692089450 in words is "one hundred forty-four billion, six hundred ninety-two million, eighty-nine thousand, four hundred fifty".