145632415 has 8 divisors (see below), whose sum is σ = 175872960. Its totient is φ = 115763232.

The previous prime is 145632371. The next prime is 145632439. The reversal of 145632415 is 514236541.

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 145632415 - 2¹¹ = 145630367 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, 91975 + ... + 93544.

It is an arithmetic number, because the mean of its divisors is an integer number (21984120).

Almost surely, 2^145632415 is an apocalyptic number.

145632415 is a deficient number, since it is larger than the sum of its proper divisors (30240545).

145632415 is a wasteful number, since it uses less digits than its factorization.

145632415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185681.

The product of its digits is 14400, while the sum is 31.

The square root of 145632415 is about 12067.8256119319. The cubic root of 145632415 is about 526.1214606236.

Adding to 145632415 its reverse (514236541), we get a palindrome (659868956).

The spelling of 145632415 in words is "one hundred forty-five million, six hundred thirty-two thousand, four hundred fifteen".