145773029 has 2 divisors, whose sum is σ = 145773030. Its totient is φ = 145773028.

The previous prime is 145772993. The next prime is 145773041. The reversal of 145773029 is 920377541.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 130484929 + 15288100 = 11423^2 + 3910^2 .

It is an emirp because it is prime and its reverse (920377541) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 145773029 - 2¹² = 145768933 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 145772983 and 145773001.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145773049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72886514 + 72886515.

It is an arithmetic number, because the mean of its divisors is an integer number (72886515).

Almost surely, 2^145773029 is an apocalyptic number.

It is an amenable number.

145773029 is a deficient number, since it is larger than the sum of its proper divisors (1).

145773029 is an equidigital number, since it uses as much as digits as its factorization.

145773029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 52920, while the sum is 38.

The square root of 145773029 is about 12073.6501937070. The cubic root of 145773029 is about 526.2907366866.

The spelling of 145773029 in words is "one hundred forty-five million, seven hundred seventy-three thousand, twenty-nine".