145443224240 has 40 divisors (see below), whose sum is σ = 338231761008. Its totient is φ = 58164168960.

The previous prime is 145443224231. The next prime is 145443224257. The reversal of 145443224240 is 42422344541.

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 145443224240.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 155870 + ... + 561410.

Almost surely, 2^145443224240 is an apocalyptic number.

145443224240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145443224240 is an abundant number, since it is smaller than the sum of its proper divisors (192788536768).

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

145443224240 is a wasteful number, since it uses less digits than its factorization.

145443224240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410037 (or 410031 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 35.

Adding to 145443224240 its reverse (42422344541), we get a palindrome (187865568781).

The spelling of 145443224240 in words is "one hundred forty-five billion, four hundred forty-three million, two hundred twenty-four thousand, two hundred forty".