145214435320331 has 16 divisors (see below), whose sum is σ = 156656303192256. Its totient is φ = 133811492870016.

The previous prime is 145214435320313. The next prime is 145214435320351. The reversal of 145214435320331 is 133023534412541.

It is not a de Polignac number, because 145214435320331 - 2¹⁴ = 145214435303947 is a prime.

It is a super-2 number, since 2×145214435320331² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145214435320351) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22832186 + ... + 28491008.

It is an arithmetic number, because the mean of its divisors is an integer number (9791018949516).

Almost surely, 2^{145214435320331} is an apocalyptic number.

145214435320331 is a deficient number, since it is larger than the sum of its proper divisors (11441867871925).

145214435320331 is a wasteful number, since it uses less digits than its factorization.

145214435320331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5662262.

The product of its (nonzero) digits is 518400, while the sum is 41.

Adding to 145214435320331 its reverse (133023534412541), we get a palindrome (278237969732872).

The spelling of 145214435320331 in words is "one hundred forty-five trillion, two hundred fourteen billion, four hundred thirty-five million, three hundred twenty thousand, three hundred thirty-one".