144574930 has 8 divisors (see below), whose sum is σ = 260234892. Its totient is φ = 57829968.

The previous prime is 144574921. The next prime is 144574931. The reversal of 144574930 is 39475441.

It can be written as a sum of positive squares in 2 ways, for example, as 137663289 + 6911641 = 11733^2 + 2629^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 144574930.

It is not an unprimeable number, because it can be changed into a prime (144574931) 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, 7228737 + ... + 7228756.

Almost surely, 2^144574930 is an apocalyptic number.

144574930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

144574930 is a deficient number, since it is larger than the sum of its proper divisors (115659962).

144574930 is a wasteful number, since it uses less digits than its factorization.

144574930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14457500.

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 144574930 is about 12023.9315533647. The cubic root of 144574930 is about 524.8449186692.

The spelling of 144574930 in words is "one hundred forty-four million, five hundred seventy-four thousand, nine hundred thirty".