144921498 has 32 divisors (see below), whose sum is σ = 311112576. Its totient is φ = 44840448.

The previous prime is 144921487. The next prime is 144921509. The reversal of 144921498 is 894129441.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (144921487) and next prime (144921509).

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2286 + ... + 17177.

It is an arithmetic number, because the mean of its divisors is an integer number (9722268).

Almost surely, 2^144921498 is an apocalyptic number.

144921498 is an abundant number, since it is smaller than the sum of its proper divisors (166191078).

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

144921498 is a wasteful number, since it uses less digits than its factorization.

144921498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19558.

The product of its digits is 82944, while the sum is 42.

The square root of 144921498 is about 12038.3345193594. The cubic root of 144921498 is about 525.2639615932.

The spelling of 144921498 in words is "one hundred forty-four million, nine hundred twenty-one thousand, four hundred ninety-eight".