145332149 has 2 divisors, whose sum is σ = 145332150. Its totient is φ = 145332148.

The previous prime is 145332127. The next prime is 145332169. The reversal of 145332149 is 941233541.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 125037124 + 20295025 = 11182^2 + 4505^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-145332149 is a prime.

It is a super-2 number, since 2×145332149² = 42242867065916402, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145332169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72666074 + 72666075.

It is an arithmetic number, because the mean of its divisors is an integer number (72666075).

Almost surely, 2^145332149 is an apocalyptic number.

It is an amenable number.

145332149 is a deficient number, since it is larger than the sum of its proper divisors (1).

145332149 is an equidigital number, since it uses as much as digits as its factorization.

145332149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12960, while the sum is 32.

The square root of 145332149 is about 12055.3784262461. The cubic root of 145332149 is about 525.7596247797.

The spelling of 145332149 in words is "one hundred forty-five million, three hundred thirty-two thousand, one hundred forty-nine".