145455575 has 12 divisors (see below), whose sum is σ = 181074720. Its totient is φ = 115906560.

The previous prime is 145455571. The next prime is 145455589. The reversal of 145455575 is 575554541.

It is not a de Polignac number, because 145455575 - 2² = 145455571 is a prime.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145455571) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 4895 + ... + 17744.

It is an arithmetic number, because the mean of its divisors is an integer number (15089560).

Almost surely, 2^145455575 is an apocalyptic number.

145455575 is a deficient number, since it is larger than the sum of its proper divisors (35619145).

145455575 is a wasteful number, since it uses less digits than its factorization.

145455575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22906 (or 22901 counting only the distinct ones).

The product of its digits is 350000, while the sum is 41.

The square root of 145455575 is about 12060.4964657347. The cubic root of 145455575 is about 525.9084196752.

The spelling of 145455575 in words is "one hundred forty-five million, four hundred fifty-five thousand, five hundred seventy-five".