145552115 has 8 divisors (see below), whose sum is σ = 177623280. Its totient is φ = 114467872.

The previous prime is 145552109. The next prime is 145552129. The reversal of 145552115 is 511255541.

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 145552115 - 2⁶ = 145552051 is a prime.

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, 246404 + ... + 246993.

It is an arithmetic number, because the mean of its divisors is an integer number (22202910).

Almost surely, 2^145552115 is an apocalyptic number.

145552115 is a deficient number, since it is larger than the sum of its proper divisors (32071165).

145552115 is an equidigital number, since it uses as much as digits as its factorization.

145552115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 493461.

The product of its digits is 5000, while the sum is 29.

The square root of 145552115 is about 12064.4981246631. The cubic root of 145552115 is about 526.0247437844.

The spelling of 145552115 in words is "one hundred forty-five million, five hundred fifty-two thousand, one hundred fifteen".