144967402 has 8 divisors (see below), whose sum is σ = 221554116. Its totient is φ = 71116032.

The previous prime is 144967393. The next prime is 144967423. The reversal of 144967402 is 204769441.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 125686521 + 19280881 = 11211^2 + 4391^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 683703 + ... + 683914.

Almost surely, 2^144967402 is an apocalyptic number.

144967402 is a deficient number, since it is larger than the sum of its proper divisors (76586714).

144967402 is a wasteful number, since it uses less digits than its factorization.

144967402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1367672.

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 144967402 is about 12040.2409444330. The cubic root of 144967402 is about 525.3194149981.

The spelling of 144967402 in words is "one hundred forty-four million, nine hundred sixty-seven thousand, four hundred two".