144290830 has 16 divisors (see below), whose sum is σ = 262023984. Its totient is φ = 57205120.

The previous prime is 144290801. The next prime is 144290831. The reversal of 144290830 is 38092441.

It is a junction number, because it is equal to n+sod(n) for n = 144290792 and 144290801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144290831) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62716 + ... + 64975.

It is an arithmetic number, because the mean of its divisors is an integer number (16376499).

Almost surely, 2^144290830 is an apocalyptic number.

144290830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

144290830 is a deficient number, since it is larger than the sum of its proper divisors (117733154).

144290830 is a wasteful number, since it uses less digits than its factorization.

144290830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127811.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 144290830 is about 12012.1118043415. Note that the first 3 decimals coincide. The cubic root of 144290830 is about 524.5009073949.

The spelling of 144290830 in words is "one hundred forty-four million, two hundred ninety thousand, eight hundred thirty".