144953378 has 8 divisors (see below), whose sum is σ = 217486620. Its totient is φ = 72457840.

The previous prime is 144953377. The next prime is 144953381. The reversal of 144953378 is 873359441.

It can be written as a sum of positive squares in 2 ways, for example, as 144889369 + 64009 = 12037^2 + 253^2 .

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

It is a super-2 number, since 2×144953378² = 42022963587221768, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (144953371) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4028 + ... + 17496.

Almost surely, 2^144953378 is an apocalyptic number.

144953378 is a deficient number, since it is larger than the sum of its proper divisors (72533242).

144953378 is a wasteful number, since it uses less digits than its factorization.

144953378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18852.

The product of its digits is 362880, while the sum is 44.

The square root of 144953378 is about 12039.6585499756. The cubic root of 144953378 is about 525.3024748287.

The spelling of 144953378 in words is "one hundred forty-four million, nine hundred fifty-three thousand, three hundred seventy-eight".