145340975 has 24 divisors (see below), whose sum is σ = 204309840. Its totient is φ = 101675520.

The previous prime is 145340947. The next prime is 145340983. The reversal of 145340975 is 579043541.

It is not a de Polignac number, because 145340975 - 2¹⁴ = 145324591 is a prime.

It is a super-2 number, since 2×145340975² = 42247998027901250, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5594 + ... + 17943.

It is an arithmetic number, because the mean of its divisors is an integer number (8512910).

Almost surely, 2^145340975 is an apocalyptic number.

145340975 is a deficient number, since it is larger than the sum of its proper divisors (58968865).

145340975 is a wasteful number, since it uses less digits than its factorization.

145340975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23579 (or 23574 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 38.

The square root of 145340975 is about 12055.7444813665. The cubic root of 145340975 is about 525.7702676658.

The spelling of 145340975 in words is "one hundred forty-five million, three hundred forty thousand, nine hundred seventy-five".