145034533331 has 4 divisors (see below), whose sum is σ = 145045173000. Its totient is φ = 145023893664.

The previous prime is 145034533327. The next prime is 145034533333. The reversal of 145034533331 is 133335430541.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 145034533331 - 2² = 145034533327 is a prime.

It is a super-2 number, since 2×145034533331² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 145034533291 and 145034533300.

It is not an unprimeable number, because it can be changed into a prime (145034533333) 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, 5299361 + ... + 5326658.

It is an arithmetic number, because the mean of its divisors is an integer number (36261293250).

Almost surely, 2^145034533331 is an apocalyptic number.

145034533331 is a deficient number, since it is larger than the sum of its proper divisors (10639669).

145034533331 is a wasteful number, since it uses less digits than its factorization.

145034533331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10639668.

The product of its (nonzero) digits is 97200, while the sum is 35.

Adding to 145034533331 its reverse (133335430541), we get a palindrome (278369963872).

The spelling of 145034533331 in words is "one hundred forty-five billion, thirty-four million, five hundred thirty-three thousand, three hundred thirty-one".