145609415 has 8 divisors (see below), whose sum is σ = 199692960. Its totient is φ = 99846432.

The previous prime is 145609363. The next prime is 145609417. The reversal of 145609415 is 514906541.

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

It is not a de Polignac number, because 145609415 - 2⁶ = 145609351 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35), and also a Moran number because the ratio is a prime number: 4160269 = 145609415 / (1 + 4 + 5 + 6 + 0 + 9 + 4 + 1 + 5).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145609417) 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, 2080100 + ... + 2080169.

It is an arithmetic number, because the mean of its divisors is an integer number (24961620).

Almost surely, 2^145609415 is an apocalyptic number.

145609415 is a deficient number, since it is larger than the sum of its proper divisors (54083545).

145609415 is an equidigital number, since it uses as much as digits as its factorization.

145609415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4160281.

The product of its (nonzero) digits is 21600, while the sum is 35.

The square root of 145609415 is about 12066.8726271557. The cubic root of 145609415 is about 526.0937620496.

The spelling of 145609415 in words is "one hundred forty-five million, six hundred nine thousand, four hundred fifteen".