142352051 has 4 divisors (see below), whose sum is σ = 143682552. Its totient is φ = 141021552.

The previous prime is 142352027. The next prime is 142352107. The reversal of 142352051 is 150253241.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 142352051 - 2¹⁴ = 142335667 is a prime.

It is a super-3 number, since 3×142352051³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142351051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 665090 + ... + 665303.

It is an arithmetic number, because the mean of its divisors is an integer number (35920638).

Almost surely, 2^142352051 is an apocalyptic number.

142352051 is a deficient number, since it is larger than the sum of its proper divisors (1330501).

142352051 is a wasteful number, since it uses less digits than its factorization.

142352051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1330500.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 142352051 is about 11931.1378753244. The cubic root of 142352051 is about 522.1411358753.

The spelling of 142352051 in words is "one hundred forty-two million, three hundred fifty-two thousand, fifty-one".