145308379 has 2 divisors, whose sum is σ = 145308380. Its totient is φ = 145308378.

The previous prime is 145308347. The next prime is 145308391. The reversal of 145308379 is 973803541.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 145308379 - 2⁵ = 145308347 is a prime.

It is a super-2 number, since 2×145308379² = 42229050015215282, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (145308329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72654189 + 72654190.

It is an arithmetic number, because the mean of its divisors is an integer number (72654190).

Almost surely, 2^145308379 is an apocalyptic number.

145308379 is a deficient number, since it is larger than the sum of its proper divisors (1).

145308379 is an equidigital number, since it uses as much as digits as its factorization.

145308379 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 145308379 is about 12054.3925189119. The cubic root of 145308379 is about 525.7309594368.

The spelling of 145308379 in words is "one hundred forty-five million, three hundred eight thousand, three hundred seventy-nine".