144505550 has 96 divisors (see below), whose sum is σ = 332121600. Its totient is φ = 45682560.

The previous prime is 144505547. The next prime is 144505567. The reversal of 144505550 is 55505441.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 233141 + ... + 233759.

It is an arithmetic number, because the mean of its divisors is an integer number (3459600).

Almost surely, 2^144505550 is an apocalyptic number.

144505550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

144505550 is an abundant number, since it is smaller than the sum of its proper divisors (187616050).

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

144505550 is a wasteful number, since it uses less digits than its factorization.

144505550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 690 (or 685 counting only the distinct ones).

The product of its (nonzero) digits is 10000, while the sum is 29.

The square root of 144505550 is about 12021.0461275215. The cubic root of 144505550 is about 524.7609493696.

The spelling of 144505550 in words is "one hundred forty-four million, five hundred five thousand, five hundred fifty".