142477442 has 8 divisors (see below), whose sum is σ = 226287756. Its totient is φ = 67048192.

The previous prime is 142477441. The next prime is 142477451. The reversal of 142477442 is 244774241.

It can be written as a sum of positive squares in 2 ways, for example, as 134119561 + 8357881 = 11581^2 + 2891^2 .

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

It is not an unprimeable number, because it can be changed into a prime (142477441) 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, 2095223 + ... + 2095290.

Almost surely, 2^142477442 is an apocalyptic number.

142477442 is a deficient number, since it is larger than the sum of its proper divisors (83810314).

142477442 is a wasteful number, since it uses less digits than its factorization.

142477442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4190532.

The product of its digits is 50176, while the sum is 35.

The square root of 142477442 is about 11936.3914982712. The cubic root of 142477442 is about 522.2944004623.

The spelling of 142477442 in words is "one hundred forty-two million, four hundred seventy-seven thousand, four hundred forty-two".