145462775 has 6 divisors (see below), whose sum is σ = 180373872. Its totient is φ = 116370200.

The previous prime is 145462763. The next prime is 145462813. The reversal of 145462775 is 577264541.

It is not a de Polignac number, because 145462775 - 2⁸ = 145462519 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2909231 + ... + 2909280.

It is an arithmetic number, because the mean of its divisors is an integer number (30062312).

Almost surely, 2^145462775 is an apocalyptic number.

145462775 is a deficient number, since it is larger than the sum of its proper divisors (34911097).

145462775 is an equidigital number, since it uses as much as digits as its factorization.

145462775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5818521 (or 5818516 counting only the distinct ones).

The product of its digits is 235200, while the sum is 41.

The square root of 145462775 is about 12060.7949572157. The cubic root of 145462775 is about 525.9170969595.

The spelling of 145462775 in words is "one hundred forty-five million, four hundred sixty-two thousand, seven hundred seventy-five".