145016315 has 4 divisors (see below), whose sum is σ = 174019584. Its totient is φ = 116013048.

The previous prime is 145016251. The next prime is 145016317. The reversal of 145016315 is 513610541.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 513610541 = 293 ⋅1752937.

It is a cyclic number.

It is not a de Polignac number, because 145016315 - 2⁶ = 145016251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145016317) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14501627 + ... + 14501636.

It is an arithmetic number, because the mean of its divisors is an integer number (43504896).

Almost surely, 2^145016315 is an apocalyptic number.

145016315 is a deficient number, since it is larger than the sum of its proper divisors (29003269).

145016315 is an equidigital number, since it uses as much as digits as its factorization.

145016315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29003268.

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 145016315 is about 12042.2720032393. The cubic root of 145016315 is about 525.3784904841.

Adding to 145016315 its reverse (513610541), we get a palindrome (658626856).

The spelling of 145016315 in words is "one hundred forty-five million, sixteen thousand, three hundred fifteen".