145470313 has 4 divisors (see below), whose sum is σ = 146050128. Its totient is φ = 144890500.

The previous prime is 145470307. The next prime is 145470317. The reversal of 145470313 is 313074541.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 145470313 - 2¹⁷ = 145339241 is a prime.

It is a super-2 number, since 2×145470313² = 42323223928635938, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145470317) 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, 289531 + ... + 290032.

It is an arithmetic number, because the mean of its divisors is an integer number (36512532).

Almost surely, 2^145470313 is an apocalyptic number.

It is an amenable number.

145470313 is a deficient number, since it is larger than the sum of its proper divisors (579815).

145470313 is an equidigital number, since it uses as much as digits as its factorization.

145470313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 579814.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 145470313 is about 12061.1074532980. The cubic root of 145470313 is about 525.9261812873.

The spelling of 145470313 in words is "one hundred forty-five million, four hundred seventy thousand, three hundred thirteen".