145330142313 has 4 divisors (see below), whose sum is σ = 193773523088. Its totient is φ = 96886761540.

The previous prime is 145330142311. The next prime is 145330142333. The reversal of 145330142313 is 313241033541.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 313241033541 = 3 ⋅104413677847.

It is not a de Polignac number, because 145330142313 - 2¹ = 145330142311 is a prime.

It is a super-2 number, since 2×145330142313² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (145330142311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24221690383 + ... + 24221690388.

It is an arithmetic number, because the mean of its divisors is an integer number (48443380772).

Almost surely, 2^145330142313 is an apocalyptic number.

It is an amenable number.

145330142313 is a deficient number, since it is larger than the sum of its proper divisors (48443380775).

145330142313 is an equidigital number, since it uses as much as digits as its factorization.

145330142313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48443380774.

The product of its (nonzero) digits is 12960, while the sum is 30.

Adding to 145330142313 its reverse (313241033541), we get a palindrome (458571175854).

The spelling of 145330142313 in words is "one hundred forty-five billion, three hundred thirty million, one hundred forty-two thousand, three hundred thirteen".