144264730 has 8 divisors (see below), whose sum is σ = 259676532. Its totient is φ = 57705888.

The previous prime is 144264719. The next prime is 144264767. The reversal of 144264730 is 37462441.

It can be written as a sum of positive squares in 2 ways, for example, as 144072009 + 192721 = 12003^2 + 439^2 .

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 = 144264692 and 144264701.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7213227 + ... + 7213246.

Almost surely, 2^144264730 is an apocalyptic number.

144264730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

144264730 is a deficient number, since it is larger than the sum of its proper divisors (115411802).

144264730 is a wasteful number, since it uses less digits than its factorization.

144264730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14426480.

The product of its (nonzero) digits is 16128, while the sum is 31.

The square root of 144264730 is about 12011.0253517341. The cubic root of 144264730 is about 524.4692807624.

The spelling of 144264730 in words is "one hundred forty-four million, two hundred sixty-four thousand, seven hundred thirty".