145042252153 has 4 divisors (see below), whose sum is σ = 148962313060. Its totient is φ = 141122191248.

The previous prime is 145042252099. The next prime is 145042252181. The reversal of 145042252153 is 351252240541.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 351252240541 = 6569 ⋅53471189.

It can be written as a sum of positive squares in 2 ways, for example, as 130922396224 + 14119855929 = 361832^2 + 118827^2 .

It is a cyclic number.

It is not a de Polignac number, because 145042252153 - 2²⁵ = 145008697721 is a prime.

It is a super-2 number, since 2×145042252153² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145042252253) 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, 1960030398 + ... + 1960030471.

It is an arithmetic number, because the mean of its divisors is an integer number (37240578265).

Almost surely, 2^145042252153 is an apocalyptic number.

It is an amenable number.

145042252153 is a deficient number, since it is larger than the sum of its proper divisors (3920060907).

145042252153 is an equidigital number, since it uses as much as digits as its factorization.

145042252153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3920060906.

The product of its (nonzero) digits is 48000, while the sum is 34.

Adding to 145042252153 its reverse (351252240541), we get a palindrome (496294492694).

The spelling of 145042252153 in words is "one hundred forty-five billion, forty-two million, two hundred fifty-two thousand, one hundred fifty-three".