145323315 has 40 divisors (see below), whose sum is σ = 271849248. Its totient is φ = 74131200.

The previous prime is 145323307. The next prime is 145323323. The reversal of 145323315 is 513323541.

145323315 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 (145323307) and next prime (145323323).

It is not a de Polignac number, because 145323315 - 2³ = 145323307 is a prime.

It is a super-2 number, since 2×145323315² = 42237731765178450, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1515 + ... + 17115.

Almost surely, 2^145323315 is an apocalyptic number.

145323315 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

145323315 is a deficient number, since it is larger than the sum of its proper divisors (126525933).

145323315 is a wasteful number, since it uses less digits than its factorization.

145323315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15641 (or 15632 counting only the distinct ones).

The product of its digits is 5400, while the sum is 27.

The square root of 145323315 is about 12055.0120281981. The cubic root of 145323315 is about 525.7489718153.

Adding to 145323315 its reverse (513323541), we get a palindrome (658646856).

The spelling of 145323315 in words is "one hundred forty-five million, three hundred twenty-three thousand, three hundred fifteen".