144757930 has 8 divisors (see below), whose sum is σ = 260564292. Its totient is φ = 57903168.

The previous prime is 144757927. The next prime is 144757931. The reversal of 144757930 is 39757441.

It can be written as a sum of positive squares in 2 ways, for example, as 143928009 + 829921 = 11997^2 + 911^2 .

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

It is not an unprimeable number, because it can be changed into a prime (144757931) by changing a digit.

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, 7237887 + ... + 7237906.

Almost surely, 2^144757930 is an apocalyptic number.

144757930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

144757930 is a deficient number, since it is larger than the sum of its proper divisors (115806362).

144757930 is a wasteful number, since it uses less digits than its factorization.

144757930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14475800.

The product of its (nonzero) digits is 105840, while the sum is 40.

The square root of 144757930 is about 12031.5389705557. The cubic root of 144757930 is about 525.0662713016.

The spelling of 144757930 in words is "one hundred forty-four million, seven hundred fifty-seven thousand, nine hundred thirty".