145550315 has 8 divisors (see below), whose sum is σ = 174758640. Its totient is φ = 116374752.

The previous prime is 145550303. The next prime is 145550323. The reversal of 145550315 is 513055541.

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 145550315 - 2⁸ = 145550059 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2972 + ... + 17318.

It is an arithmetic number, because the mean of its divisors is an integer number (21844830).

Almost surely, 2^145550315 is an apocalyptic number.

145550315 is a deficient number, since it is larger than the sum of its proper divisors (29208325).

145550315 is a wasteful number, since it uses less digits than its factorization.

145550315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16381.

The product of its (nonzero) digits is 7500, while the sum is 29.

The square root of 145550315 is about 12064.4235253907. The cubic root of 145550315 is about 526.0225753779.

The spelling of 145550315 in words is "one hundred forty-five million, five hundred fifty thousand, three hundred fifteen".