144990476 has 6 divisors (see below), whose sum is σ = 253733340. Its totient is φ = 72495236.

The previous prime is 144990437. The next prime is 144990487. The reversal of 144990476 is 674099441.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18123806 + ... + 18123813.

It is an arithmetic number, because the mean of its divisors is an integer number (42288890).

Almost surely, 2^144990476 is an apocalyptic number.

It is an amenable number.

144990476 is a deficient number, since it is larger than the sum of its proper divisors (108742864).

144990476 is a wasteful number, since it uses less digits than its factorization.

144990476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36247623 (or 36247621 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 44.

The square root of 144990476 is about 12041.1991097233. The cubic root of 144990476 is about 525.3472846593.

The spelling of 144990476 in words is "one hundred forty-four million, nine hundred ninety thousand, four hundred seventy-six".