144394790 has 32 divisors (see below), whose sum is σ = 267268896. Its totient is φ = 56143360.

The previous prime is 144394777. The next prime is 144394793. The reversal of 144394790 is 97493441.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144394793) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58685 + ... + 61095.

It is an arithmetic number, because the mean of its divisors is an integer number (8352153).

Almost surely, 2^144394790 is an apocalyptic number.

144394790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

144394790 is a deficient number, since it is larger than the sum of its proper divisors (122874106).

144394790 is a wasteful number, since it uses less digits than its factorization.

144394790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2584.

The product of its (nonzero) digits is 108864, while the sum is 41.

The square root of 144394790 is about 12016.4383242290. The cubic root of 144394790 is about 524.6268429196.

The spelling of 144394790 in words is "one hundred forty-four million, three hundred ninety-four thousand, seven hundred ninety".