245142379 has 2 divisors, whose sum is σ = 245142380. Its totient is φ = 245142378.

The previous prime is 245142367. The next prime is 245142407. The reversal of 245142379 is 973241542.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 245142379 - 2¹¹ = 245140331 is a prime.

It is not a weakly prime, because it can be changed into another prime (245142319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122571189 + 122571190.

It is an arithmetic number, because the mean of its divisors is an integer number (122571190).

Almost surely, 2^245142379 is an apocalyptic number.

245142379 is a deficient number, since it is larger than the sum of its proper divisors (1).

245142379 is an equidigital number, since it uses as much as digits as its factorization.

245142379 is an evil number, because the sum of its binary digits is even.

The product of its digits is 60480, while the sum is 37.

The square root of 245142379 is about 15657.0233122391. The cubic root of 245142379 is about 625.8536635628.

The spelling of 245142379 in words is "two hundred forty-five million, one hundred forty-two thousand, three hundred seventy-nine".