145575750 has 32 divisors (see below), whose sum is σ = 363358944. Its totient is φ = 38820000.

The previous prime is 145575719. The next prime is 145575751. The reversal of 145575750 is 57575541.

145575750 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a nialpdrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 145575699 and 145575708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145575751) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 96301 + ... + 97800.

It is an arithmetic number, because the mean of its divisors is an integer number (11354967).

Almost surely, 2^145575750 is an apocalyptic number.

145575750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145575750 is an abundant number, since it is smaller than the sum of its proper divisors (217783194).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145575750 is a wasteful number, since it uses less digits than its factorization.

145575750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194121 (or 194111 counting only the distinct ones).

The product of its (nonzero) digits is 122500, while the sum is 39.

The square root of 145575750 is about 12065.4776117649. The cubic root of 145575750 is about 526.0532145076.

The spelling of 145575750 in words is "one hundred forty-five million, five hundred seventy-five thousand, seven hundred fifty".