142262057 has 4 divisors (see below), whose sum is σ = 162585216. Its totient is φ = 121938900.

The previous prime is 142262011. The next prime is 142262089. The reversal of 142262057 is 750262241.

It is a happy number.

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 a cyclic number.

It is not a de Polignac number, because 142262057 - 2²⁰ = 141213481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142262257) 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, 10161569 + ... + 10161582.

It is an arithmetic number, because the mean of its divisors is an integer number (40646304).

Almost surely, 2^142262057 is an apocalyptic number.

It is an amenable number.

142262057 is a deficient number, since it is larger than the sum of its proper divisors (20323159).

142262057 is an equidigital number, since it uses as much as digits as its factorization.

142262057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20323158.

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 142262057 is about 11927.3658869006. The cubic root of 142262057 is about 522.0310813199.

The spelling of 142262057 in words is "one hundred forty-two million, two hundred sixty-two thousand, fifty-seven".