145566415 has 8 divisors (see below), whose sum is σ = 174845520. Its totient is φ = 116342592.

The previous prime is 145566413. The next prime is 145566419. The reversal of 145566415 is 514665541.

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 145566415 - 2¹ = 145566413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145566413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7785 + ... + 18754.

It is an arithmetic number, because the mean of its divisors is an integer number (21855690).

Almost surely, 2^145566415 is an apocalyptic number.

145566415 is a deficient number, since it is larger than the sum of its proper divisors (29279105).

145566415 is a wasteful number, since it uses less digits than its factorization.

145566415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27641.

The product of its digits is 72000, while the sum is 37.

The square root of 145566415 is about 12065.0907580507. The cubic root of 145566415 is about 526.0419699339.

The spelling of 145566415 in words is "one hundred forty-five million, five hundred sixty-six thousand, four hundred fifteen".