145442342343015 has 48 divisors (see below), whose sum is σ = 254600628886656. Its totient is φ = 76799870784000.

The previous prime is 145442342343007. The next prime is 145442342343017. The reversal of 145442342343015 is 510343243244541.

It is a happy number.

145442342343015 is a `hidden beast` number, since 1 + 4 + 544 + 2 + 3 + 42 + 34 + 30 + 1 + 5 = 666.

It is not a de Polignac number, because 145442342343015 - 2³ = 145442342343007 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145442342343017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 287204635 + ... + 287710595.

It is an arithmetic number, because the mean of its divisors is an integer number (5304179768472).

Almost surely, 2^{145442342343015} is an apocalyptic number.

145442342343015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

145442342343015 is a deficient number, since it is larger than the sum of its proper divisors (109158286543641).

145442342343015 is a wasteful number, since it uses less digits than its factorization.

145442342343015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 569320 (or 569317 counting only the distinct ones).

The product of its (nonzero) digits is 2764800, while the sum is 45.

Adding to 145442342343015 its reverse (510343243244541), we get a palindrome (655785585587556).

The spelling of 145442342343015 in words is "one hundred forty-five trillion, four hundred forty-two billion, three hundred forty-two million, three hundred forty-three thousand, fifteen".