145450715 has 8 divisors (see below), whose sum is σ = 174629520. Its totient is φ = 116301472.

The previous prime is 145450703. The next prime is 145450717. The reversal of 145450715 is 517054541.

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 145450715 - 2⁶ = 145450651 is a prime.

It is a super-2 number, since 2×145450715² = 42311820988022450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (145450717) 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, 5477 + ... + 17913.

It is an arithmetic number, because the mean of its divisors is an integer number (21828690).

Almost surely, 2^145450715 is an apocalyptic number.

145450715 is a deficient number, since it is larger than the sum of its proper divisors (29178805).

145450715 is a wasteful number, since it uses less digits than its factorization.

145450715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14781.

The product of its (nonzero) digits is 14000, while the sum is 32.

The square root of 145450715 is about 12060.2949798087. The cubic root of 145450715 is about 525.9025623464.

The spelling of 145450715 in words is "one hundred forty-five million, four hundred fifty thousand, seven hundred fifteen".