145088775 has 36 divisors (see below), whose sum is σ = 279865768. Its totient is φ = 71426880.

The previous prime is 145088771. The next prime is 145088777. The reversal of 145088775 is 577880541.

It is a happy number.

It is not a de Polignac number, because 145088775 - 2² = 145088771 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 145088775.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145088771) 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, 21877 + ... + 27726.

Almost surely, 2^145088775 is an apocalyptic number.

145088775 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

145088775 is a deficient number, since it is larger than the sum of its proper divisors (134776993).

145088775 is a wasteful number, since it uses less digits than its factorization.

145088775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49632 (or 49624 counting only the distinct ones).

The product of its (nonzero) digits is 313600, while the sum is 45.

The square root of 145088775 is about 12045.2801959938. The cubic root of 145088775 is about 525.4659808390.

The spelling of 145088775 in words is "one hundred forty-five million, eighty-eight thousand, seven hundred seventy-five".