142450415 has 4 divisors (see below), whose sum is σ = 170940504. Its totient is φ = 113960328.

The previous prime is 142450409. The next prime is 142450423. The reversal of 142450415 is 514054241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 514054241 = 163 ⋅3153707.

It is a cyclic number.

It is not a de Polignac number, because 142450415 - 2⁸ = 142450159 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14245037 + ... + 14245046.

It is an arithmetic number, because the mean of its divisors is an integer number (42735126).

Almost surely, 2^142450415 is an apocalyptic number.

142450415 is a deficient number, since it is larger than the sum of its proper divisors (28490089).

142450415 is an equidigital number, since it uses as much as digits as its factorization.

142450415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28490088.

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 142450415 is about 11935.2593185067. The cubic root of 142450415 is about 522.2613731441.

The spelling of 142450415 in words is "one hundred forty-two million, four hundred fifty thousand, four hundred fifteen".