145950149 has 2 divisors, whose sum is σ = 145950150. Its totient is φ = 145950148.

The previous prime is 145950137. The next prime is 145950169. The reversal of 145950149 is 941059541.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 128368900 + 17581249 = 11330^2 + 4193^2 .

It is a cyclic number.

It is not a de Polignac number, because 145950149 - 2²⁰ = 144901573 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145950169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72975074 + 72975075.

It is an arithmetic number, because the mean of its divisors is an integer number (72975075).

Almost surely, 2^145950149 is an apocalyptic number.

It is an amenable number.

145950149 is a deficient number, since it is larger than the sum of its proper divisors (1).

145950149 is an equidigital number, since it uses as much as digits as its factorization.

145950149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32400, while the sum is 38.

The square root of 145950149 is about 12080.9829484194. The cubic root of 145950149 is about 526.5038051064.

The spelling of 145950149 in words is "one hundred forty-five million, nine hundred fifty thousand, one hundred forty-nine".