145223535301240 has 128 divisors (see below), whose sum is σ = 358500286609920. Its totient is φ = 52506082137600.

The previous prime is 145223535301193. The next prime is 145223535301289. The reversal of 145223535301240 is 42103535322541.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 145223535301193 and 145223535301202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 395388319 + ... + 395755441.

It is an arithmetic number, because the mean of its divisors is an integer number (2800783489140).

Almost surely, 2^{145223535301240} is an apocalyptic number.

145223535301240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 145223535301240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (179250143304960).

145223535301240 is an abundant number, since it is smaller than the sum of its proper divisors (213276751308680).

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

145223535301240 is a wasteful number, since it uses less digits than its factorization.

145223535301240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372293 (or 372289 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 40.

The spelling of 145223535301240 in words is "one hundred forty-five trillion, two hundred twenty-three billion, five hundred thirty-five million, three hundred one thousand, two hundred forty".