144922386 has 32 divisors (see below), whose sum is σ = 348687360. Its totient is φ = 39226896.

The previous prime is 144922381. The next prime is 144922391. The reversal of 144922386 is 683229441.

It is an interprime number because it is at equal distance from previous prime (144922381) and next prime (144922391).

It is not an unprimeable number, because it can be changed into a prime (144922381) 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, 90006 + ... + 91601.

It is an arithmetic number, because the mean of its divisors is an integer number (10896480).

Almost surely, 2^144922386 is an apocalyptic number.

144922386 is an abundant number, since it is smaller than the sum of its proper divisors (203764974).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

144922386 is a wasteful number, since it uses less digits than its factorization.

144922386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181638.

The product of its digits is 82944, while the sum is 39.

The square root of 144922386 is about 12038.3714014812. The cubic root of 144922386 is about 525.2650344348.

The spelling of 144922386 in words is "one hundred forty-four million, nine hundred twenty-two thousand, three hundred eighty-six".