142410521 has 8 divisors (see below), whose sum is σ = 159556224. Its totient is φ = 125964720.

The previous prime is 142410509. The next prime is 142410533. The reversal of 142410521 is 125014241.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (142410509) and next prime (142410533).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 142410521 - 2²² = 138216217 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 142410493 and 142410502.

It is not an unprimeable number, because it can be changed into a prime (142410221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 174545 + ... + 175358.

It is an arithmetic number, because the mean of its divisors is an integer number (19944528).

Almost surely, 2^142410521 is an apocalyptic number.

142410521 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

142410521 is a deficient number, since it is larger than the sum of its proper divisors (17145703).

142410521 is a wasteful number, since it uses less digits than its factorization.

142410521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349951.

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 142410521 is about 11933.5879349004. The cubic root of 142410521 is about 522.2126145626.

Adding to 142410521 its reverse (125014241), we get a palindrome (267424762).

The spelling of 142410521 in words is "one hundred forty-two million, four hundred ten thousand, five hundred twenty-one".