145343475 has 36 divisors (see below), whose sum is σ = 261753336. Its totient is φ = 77091840.

The previous prime is 145343459. The next prime is 145343477. The reversal of 145343475 is 574343541.

145343475 is a `hidden beast` number, since 145 + 3 + 43 + 475 = 666.

It is not a de Polignac number, because 145343475 - 2⁴ = 145343459 is a prime.

It is a super-2 number, since 2×145343475² = 42249451450151250, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (145343477) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 41752 + ... + 45098.

It is an arithmetic number, because the mean of its divisors is an integer number (7270926).

Almost surely, 2^145343475 is an apocalyptic number.

145343475 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

145343475 is a deficient number, since it is larger than the sum of its proper divisors (116409861).

145343475 is a wasteful number, since it uses less digits than its factorization.

145343475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3556 (or 3548 counting only the distinct ones).

The product of its digits is 100800, while the sum is 36.

The square root of 145343475 is about 12055.8481659318. The cubic root of 145343475 is about 525.7732822278.

The spelling of 145343475 in words is "one hundred forty-five million, three hundred forty-three thousand, four hundred seventy-five".