142452115 has 16 divisors (see below), whose sum is σ = 184500288. Its totient is φ = 104962176.

The previous prime is 142452113. The next prime is 142452131. The reversal of 142452115 is 511254241.

It is a cyclic number.

It is not a de Polignac number, because 142452115 - 2¹ = 142452113 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 142452115.

It is not an unprimeable number, because it can be changed into a prime (142452113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30517 + ... + 34873.

It is an arithmetic number, because the mean of its divisors is an integer number (11531268).

Almost surely, 2^142452115 is an apocalyptic number.

142452115 is a deficient number, since it is larger than the sum of its proper divisors (42048173).

142452115 is a wasteful number, since it uses less digits than its factorization.

142452115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4878.

The product of its digits is 1600, while the sum is 25.

The square root of 142452115 is about 11935.3305358503. The cubic root of 142452115 is about 522.2634506876.

The spelling of 142452115 in words is "one hundred forty-two million, four hundred fifty-two thousand, one hundred fifteen".