142474177 has 4 divisors (see below), whose sum is σ = 142606336. Its totient is φ = 142342020.

The previous prime is 142474151. The next prime is 142474183. The reversal of 142474177 is 771474241.

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 142474177 - 2⁷ = 142474049 is a prime.

It is a super-2 number, since 2×142474177² = 40597782223654658, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142174177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64449 + ... + 66622.

It is an arithmetic number, because the mean of its divisors is an integer number (35651584).

Almost surely, 2^142474177 is an apocalyptic number.

It is an amenable number.

142474177 is a deficient number, since it is larger than the sum of its proper divisors (132159).

142474177 is a wasteful number, since it uses less digits than its factorization.

142474177 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132158.

The product of its digits is 43904, while the sum is 37.

The square root of 142474177 is about 11936.2547308609. The cubic root of 142474177 is about 522.2904108150.

The spelling of 142474177 in words is "one hundred forty-two million, four hundred seventy-four thousand, one hundred seventy-seven".