145998415 has 8 divisors (see below), whose sum is σ = 176806080. Its totient is φ = 115726752.

The previous prime is 145998409. The next prime is 145998421. The reversal of 145998415 is 514899541.

It is a happy number.

145998415 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (145998409) and next prime (145998421).

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 145998415 - 2⁹ = 145997903 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, 133399 + ... + 134488.

It is an arithmetic number, because the mean of its divisors is an integer number (22100760).

Almost surely, 2^145998415 is an apocalyptic number.

145998415 is a deficient number, since it is larger than the sum of its proper divisors (30807665).

145998415 is a wasteful number, since it uses less digits than its factorization.

145998415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268001.

The product of its digits is 259200, while the sum is 46.

The square root of 145998415 is about 12082.9803856499. The cubic root of 145998415 is about 526.5618373227.

The spelling of 145998415 in words is "one hundred forty-five million, nine hundred ninety-eight thousand, four hundred fifteen".