145773767 has 2 divisors, whose sum is σ = 145773768. Its totient is φ = 145773766.

The previous prime is 145773751. The next prime is 145773769. The reversal of 145773767 is 767377541.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 145773767 - 2⁴ = 145773751 is a prime.

It is a super-2 number, since 2×145773767² = 42499982290740578, which contains 22 as substring.

Together with 145773769, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145773769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72886883 + 72886884.

It is an arithmetic number, because the mean of its divisors is an integer number (72886884).

Almost surely, 2^145773767 is an apocalyptic number.

145773767 is a deficient number, since it is larger than the sum of its proper divisors (1).

145773767 is an equidigital number, since it uses as much as digits as its factorization.

145773767 is an evil number, because the sum of its binary digits is even.

The product of its digits is 864360, while the sum is 47.

The square root of 145773767 is about 12073.6807560909. The cubic root of 145773767 is about 526.2916248297.

The spelling of 145773767 in words is "one hundred forty-five million, seven hundred seventy-three thousand, seven hundred sixty-seven".