145547029 has 2 divisors, whose sum is σ = 145547030. Its totient is φ = 145547028.

The previous prime is 145546963. The next prime is 145547033. The reversal of 145547029 is 920745541.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 118766404 + 26780625 = 10898^2 + 5175^2 .

It is a cyclic number.

It is not a de Polignac number, because 145547029 - 2⁷ = 145546901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145547099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72773514 + 72773515.

It is an arithmetic number, because the mean of its divisors is an integer number (72773515).

Almost surely, 2^145547029 is an apocalyptic number.

It is an amenable number.

145547029 is a deficient number, since it is larger than the sum of its proper divisors (1).

145547029 is an equidigital number, since it uses as much as digits as its factorization.

145547029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 50400, while the sum is 37.

The square root of 145547029 is about 12064.2873390847. The cubic root of 145547029 is about 526.0186167853.

It can be divided in two parts, 1455 and 47029, that added together give a palindrome (48484).

The spelling of 145547029 in words is "one hundred forty-five million, five hundred forty-seven thousand, twenty-nine".