145125155033 has 4 divisors (see below), whose sum is σ = 145131283428. Its totient is φ = 145119026640.

The previous prime is 145125155029. The next prime is 145125155081. The reversal of 145125155033 is 330551521541.

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

It can be written as a sum of positive squares in 2 ways, for example, as 104815357504 + 40309797529 = 323752^2 + 200773^2 .

It is a cyclic number.

It is not a de Polignac number, because 145125155033 - 2² = 145125155029 is a prime.

It is a super-2 number, since 2×145125155033² (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 = 145125154984 and 145125155002.

It is not an unprimeable number, because it can be changed into a prime (145125155233) 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, 3028538 + ... + 3076083.

It is an arithmetic number, because the mean of its divisors is an integer number (36282820857).

Almost surely, 2^145125155033 is an apocalyptic number.

It is an amenable number.

145125155033 is a deficient number, since it is larger than the sum of its proper divisors (6128395).

145125155033 is an equidigital number, since it uses as much as digits as its factorization.

145125155033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6128394.

The product of its (nonzero) digits is 45000, while the sum is 35.

Adding to 145125155033 its reverse (330551521541), we get a palindrome (475676676574).

The spelling of 145125155033 in words is "one hundred forty-five billion, one hundred twenty-five million, one hundred fifty-five thousand, thirty-three".