145215211302340 has 48 divisors (see below), whose sum is σ = 305913039348672. Its totient is φ = 57903299266176.

The previous prime is 145215211302319. The next prime is 145215211302367. The reversal of 145215211302340 is 43203112512541.

It is a junction number, because it is equal to n+sod(n) for n = 145215211302296 and 145215211302305.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 485782 + ... + 17048941.

It is an arithmetic number, because the mean of its divisors is an integer number (6373188319764).

Almost surely, 2^{145215211302340} is an apocalyptic number.

145215211302340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145215211302340 is an abundant number, since it is smaller than the sum of its proper divisors (160697828046332).

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

145215211302340 is a wasteful number, since it uses less digits than its factorization.

145215211302340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17536036 (or 17536034 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 34.

Adding to 145215211302340 its reverse (43203112512541), we get a palindrome (188418323814881).

The spelling of 145215211302340 in words is "one hundred forty-five trillion, two hundred fifteen billion, two hundred eleven million, three hundred two thousand, three hundred forty".