147144031 has 2 divisors, whose sum is σ = 147144032. Its totient is φ = 147144030.

The previous prime is 147144013. The next prime is 147144077. The reversal of 147144031 is 130441741.

It is a happy number.

Together with previous prime (147144013) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 147144031 - 2²¹ = 145046879 is a prime.

It is a super-2 number, since 2×147144031² = 43302731717857922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 147143987 and 147144005.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (147144331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73572015 + 73572016.

It is an arithmetic number, because the mean of its divisors is an integer number (73572016).

Almost surely, 2^147144031 is an apocalyptic number.

147144031 is a deficient number, since it is larger than the sum of its proper divisors (1).

147144031 is an equidigital number, since it uses as much as digits as its factorization.

147144031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 147144031 is about 12130.2939370817. The cubic root of 147144031 is about 527.9355204682.

Adding to 147144031 its reverse (130441741), we get a palindrome (277585772).

The spelling of 147144031 in words is "one hundred forty-seven million, one hundred forty-four thousand, thirty-one".