145244304340 has 24 divisors (see below), whose sum is σ = 314852170752. Its totient is φ = 56223601440.

The previous prime is 145244304299. The next prime is 145244304341. The reversal of 145244304340 is 43403442541.

145244304340 = 98395² + 98396² + ... + 98409².

It is a junction number, because it is equal to n+sod(n) for n = 145244304296 and 145244304305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145244304341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117131884 + ... + 117133123.

It is an arithmetic number, because the mean of its divisors is an integer number (13118840448).

Almost surely, 2^145244304340 is an apocalyptic number.

145244304340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145244304340 is an abundant number, since it is smaller than the sum of its proper divisors (169607866412).

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

145244304340 is a wasteful number, since it uses less digits than its factorization.

145244304340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234265047 (or 234265045 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 34.

Adding to 145244304340 its reverse (43403442541), we get a palindrome (188647746881).

The spelling of 145244304340 in words is "one hundred forty-five billion, two hundred forty-four million, three hundred four thousand, three hundred forty".