145932415 has 16 divisors (see below), whose sum is σ = 179324928. Its totient is φ = 113955616.

The previous prime is 145932389. The next prime is 145932419. The reversal of 145932415 is 514239541.

145932415 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 145932415 - 2⁷ = 145932287 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145932419) 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, 131754 + ... + 132856.

It is an arithmetic number, because the mean of its divisors is an integer number (11207808).

Almost surely, 2^145932415 is an apocalyptic number.

145932415 is a deficient number, since it is larger than the sum of its proper divisors (33392513).

145932415 is a wasteful number, since it uses less digits than its factorization.

145932415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1718.

The product of its digits is 21600, while the sum is 34.

The square root of 145932415 is about 12080.2489626663. The cubic root of 145932415 is about 526.4824795676.

The spelling of 145932415 in words is "one hundred forty-five million, nine hundred thirty-two thousand, four hundred fifteen".