144940834 has 8 divisors (see below), whose sum is σ = 217463148. Its totient is φ = 72453120.

The previous prime is 144940799. The next prime is 144940853. The reversal of 144940834 is 438049441.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 136960209 + 7980625 = 11703^2 + 2825^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 144940793 and 144940802.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9154 + ... + 19330.

Almost surely, 2^144940834 is an apocalyptic number.

144940834 is a deficient number, since it is larger than the sum of its proper divisors (72522314).

144940834 is a wasteful number, since it uses less digits than its factorization.

144940834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17300.

The product of its (nonzero) digits is 55296, while the sum is 37.

The square root of 144940834 is about 12039.1375936983. The cubic root of 144940834 is about 525.2873214867.

The spelling of 144940834 in words is "one hundred forty-four million, nine hundred forty thousand, eight hundred thirty-four".