144990054 has 32 divisors (see below), whose sum is σ = 351492480. Its totient is φ = 43936200.

The previous prime is 144990031. The next prime is 144990061. The reversal of 144990054 is 450099441.

It is a happy number.

144990054 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121452 + ... + 122639.

It is an arithmetic number, because the mean of its divisors is an integer number (10984140).

Almost surely, 2^144990054 is an apocalyptic number.

144990054 is an abundant number, since it is smaller than the sum of its proper divisors (206502426).

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

144990054 is a wasteful number, since it uses less digits than its factorization.

144990054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244113 (or 244107 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 144990054 is about 12041.1815865388. The cubic root of 144990054 is about 525.3467749781.

The spelling of 144990054 in words is "one hundred forty-four million, nine hundred ninety thousand, fifty-four".