145938349 has 2 divisors, whose sum is σ = 145938350. Its totient is φ = 145938348.

The previous prime is 145938347. The next prime is 145938371. The reversal of 145938349 is 943839541.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 93954249 + 51984100 = 9693^2 + 7210^2 .

It is a cyclic number.

It is not a de Polignac number, because 145938349 - 2¹ = 145938347 is a prime.

Together with 145938347, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 145938299 and 145938308.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145938341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72969174 + 72969175.

It is an arithmetic number, because the mean of its divisors is an integer number (72969175).

Almost surely, 2^145938349 is an apocalyptic number.

It is an amenable number.

145938349 is a deficient number, since it is larger than the sum of its proper divisors (1).

145938349 is an equidigital number, since it uses as much as digits as its factorization.

145938349 is an evil number, because the sum of its binary digits is even.

The product of its digits is 466560, while the sum is 46.

The square root of 145938349 is about 12080.4945676905. The cubic root of 145938349 is about 526.4896155300.

The spelling of 145938349 in words is "one hundred forty-five million, nine hundred thirty-eight thousand, three hundred forty-nine".