145828615 has 8 divisors (see below), whose sum is σ = 175973040. Its totient is φ = 116010432.

The previous prime is 145828597. The next prime is 145828621. The reversal of 145828615 is 516828541.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 145828615 - 2¹⁷ = 145697543 is a prime.

It is a congruent number.

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, 80574 + ... + 82363.

It is an arithmetic number, because the mean of its divisors is an integer number (21996630).

Almost surely, 2^145828615 is an apocalyptic number.

145828615 is a deficient number, since it is larger than the sum of its proper divisors (30144425).

145828615 is a wasteful number, since it uses less digits than its factorization.

145828615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163121.

The product of its digits is 76800, while the sum is 40.

The square root of 145828615 is about 12075.9519293512. The cubic root of 145828615 is about 526.3576230406.

The spelling of 145828615 in words is "one hundred forty-five million, eight hundred twenty-eight thousand, six hundred fifteen".