144535545 has 144 divisors (see below), whose sum is σ = 326514240. Its totient is φ = 58464000.

The previous prime is 144535543. The next prime is 144535571. The reversal of 144535545 is 545535441.

It is not a de Polignac number, because 144535545 - 2¹ = 144535543 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144535543) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 1430995 + ... + 1431095.

It is an arithmetic number, because the mean of its divisors is an integer number (2267460).

Almost surely, 2^144535545 is an apocalyptic number.

144535545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

144535545 is an abundant number, since it is smaller than the sum of its proper divisors (181978695).

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

144535545 is a wasteful number, since it uses less digits than its factorization.

144535545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196 (or 186 counting only the distinct ones).

The product of its digits is 120000, while the sum is 36.

The square root of 144535545 is about 12022.2936663517. The cubic root of 144535545 is about 524.7972550472.

The spelling of 144535545 in words is "one hundred forty-four million, five hundred thirty-five thousand, five hundred forty-five".