144540315 has 64 divisors (see below), whose sum is σ = 277977600. Its totient is φ = 71010432.

The previous prime is 144540313. The next prime is 144540317. The reversal of 144540315 is 513045441.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (144540313) and next prime (144540317).

It is not a de Polignac number, because 144540315 - 2¹ = 144540313 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (144540313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 94144 + ... + 95666.

It is an arithmetic number, because the mean of its divisors is an integer number (4343400).

Almost surely, 2^144540315 is an apocalyptic number.

144540315 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

144540315 is a deficient number, since it is larger than the sum of its proper divisors (133437285).

144540315 is a wasteful number, since it uses less digits than its factorization.

144540315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1593 (or 1587 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 144540315 is about 12022.4920461608. The cubic root of 144540315 is about 524.8030281493.

Adding to 144540315 its reverse (513045441), we get a palindrome (657585756).

The spelling of 144540315 in words is "one hundred forty-four million, five hundred forty thousand, three hundred fifteen".