145263975 has 24 divisors (see below), whose sum is σ = 250614912. Its totient is φ = 74104800.

The previous prime is 145263971. The next prime is 145263983. The reversal of 145263975 is 579362541.

It is not a de Polignac number, because 145263975 - 2² = 145263971 is a prime.

It is a super-2 number, since 2×145263975² = 42203244865601250, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145263971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40381 + ... + 43830.

It is an arithmetic number, because the mean of its divisors is an integer number (10442288).

Almost surely, 2^145263975 is an apocalyptic number.

145263975 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

145263975 is a deficient number, since it is larger than the sum of its proper divisors (105350937).

145263975 is a wasteful number, since it uses less digits than its factorization.

145263975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84247 (or 84242 counting only the distinct ones).

The product of its digits is 226800, while the sum is 42.

The square root of 145263975 is about 12052.5505599437. The cubic root of 145263975 is about 525.6774022228.

The spelling of 145263975 in words is "one hundred forty-five million, two hundred sixty-three thousand, nine hundred seventy-five".