145235544 has 64 divisors (see below), whose sum is σ = 387523200. Its totient is φ = 45225216.

The previous prime is 145235537. The next prime is 145235551. The reversal of 145235544 is 445532541.

It is an interprime number because it is at equal distance from previous prime (145235537) and next prime (145235551).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31107 + ... + 35469.

It is an arithmetic number, because the mean of its divisors is an integer number (6055050).

Almost surely, 2^145235544 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 145235544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (193761600).

145235544 is an abundant number, since it is smaller than the sum of its proper divisors (242287656).

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

145235544 is a wasteful number, since it uses less digits than its factorization.

145235544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4464 (or 4460 counting only the distinct ones).

The product of its digits is 48000, while the sum is 33.

The square root of 145235544 is about 12051.3710423337. The cubic root of 145235544 is about 525.6431048700.

The spelling of 145235544 in words is "one hundred forty-five million, two hundred thirty-five thousand, five hundred forty-four".