142041477 has 24 divisors (see below), whose sum is σ = 202561056. Its totient is φ = 88515328.

The previous prime is 142041433. The next prime is 142041479. The reversal of 142041477 is 774140241.

It is not a de Polignac number, because 142041477 - 2⁶ = 142041413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142041479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 149518 + ... + 150464.

It is an arithmetic number, because the mean of its divisors is an integer number (8440044).

Almost surely, 2^142041477 is an apocalyptic number.

142041477 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

142041477 is a deficient number, since it is larger than the sum of its proper divisors (60519579).

142041477 is a wasteful number, since it uses less digits than its factorization.

142041477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1157 (or 1140 counting only the distinct ones).

The product of its (nonzero) digits is 6272, while the sum is 30.

The square root of 142041477 is about 11918.1154970071. The cubic root of 142041477 is about 521.7611354104.

The spelling of 142041477 in words is "one hundred forty-two million, forty-one thousand, four hundred seventy-seven".