142415145 has 16 divisors (see below), whose sum is σ = 253182720. Its totient is φ = 75954672.

The previous prime is 142415131. The next prime is 142415173. The reversal of 142415145 is 541514241.

142415145 is a `hidden beast` number, since 142 + 4 + 1 + 514 + 5 = 666.

It is not a de Polignac number, because 142415145 - 2⁴ = 142415129 is a prime.

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

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 527329 + ... + 527598.

It is an arithmetic number, because the mean of its divisors is an integer number (15823920).

Almost surely, 2^142415145 is an apocalyptic number.

142415145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

142415145 is a deficient number, since it is larger than the sum of its proper divisors (110767575).

142415145 is a wasteful number, since it uses less digits than its factorization.

142415145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1054941 (or 1054935 counting only the distinct ones).

The product of its digits is 3200, while the sum is 27.

The square root of 142415145 is about 11933.7816722110. The cubic root of 142415145 is about 522.2182664975.

Adding to 142415145 its reverse (541514241), we get a palindrome (683929386).

The spelling of 142415145 in words is "one hundred forty-two million, four hundred fifteen thousand, one hundred forty-five".