145475930 has 16 divisors (see below), whose sum is σ = 261999360. Its totient is φ = 58158672.

The previous prime is 145475927. The next prime is 145475959. The reversal of 145475930 is 39574541.

145475930 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26351 + ... + 31389.

It is an arithmetic number, because the mean of its divisors is an integer number (16374960).

Almost surely, 2^145475930 is an apocalyptic number.

145475930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145475930 is a deficient number, since it is larger than the sum of its proper divisors (116523430).

145475930 is a wasteful number, since it uses less digits than its factorization.

145475930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7933.

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

The square root of 145475930 is about 12061.3403069476. The cubic root of 145475930 is about 525.9329503416.

The spelling of 145475930 in words is "one hundred forty-five million, four hundred seventy-five thousand, nine hundred thirty".