142651061 has 4 divisors (see below), whose sum is σ = 163029792. Its totient is φ = 122272332.

The previous prime is 142651043. The next prime is 142651073. The reversal of 142651061 is 160156241.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 142651061 - 2⁶ = 142650997 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 142651061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142681061) 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, 10189355 + ... + 10189368.

It is an arithmetic number, because the mean of its divisors is an integer number (40757448).

Almost surely, 2^142651061 is an apocalyptic number.

It is an amenable number.

142651061 is a deficient number, since it is larger than the sum of its proper divisors (20378731).

142651061 is an equidigital number, since it uses as much as digits as its factorization.

142651061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20378730.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 142651061 is about 11943.6619593825. The cubic root of 142651061 is about 522.5064654313.

The spelling of 142651061 in words is "one hundred forty-two million, six hundred fifty-one thousand, sixty-one".