145132302031 has 4 divisors (see below), whose sum is σ = 150136864200. Its totient is φ = 140127739864.

The previous prime is 145132302017. The next prime is 145132302043. The reversal of 145132302031 is 130203231541.

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: 130203231541 = 23 ⋅5661010067.

It is a cyclic number.

It is not a de Polignac number, because 145132302031 - 2⁷ = 145132301903 is a prime.

It is a super-2 number, since 2×145132302031² (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 = 145132301987 and 145132302005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145132302011) 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, 2502281041 + ... + 2502281098.

It is an arithmetic number, because the mean of its divisors is an integer number (37534216050).

Almost surely, 2^145132302031 is an apocalyptic number.

145132302031 is a deficient number, since it is larger than the sum of its proper divisors (5004562169).

145132302031 is an equidigital number, since it uses as much as digits as its factorization.

145132302031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5004562168.

The product of its (nonzero) digits is 2160, while the sum is 25.

Adding to 145132302031 its reverse (130203231541), we get a palindrome (275335533572).

The spelling of 145132302031 in words is "one hundred forty-five billion, one hundred thirty-two million, three hundred two thousand, thirty-one".