142977411 has 12 divisors (see below), whose sum is σ = 210420288. Its totient is φ = 93519504.

The previous prime is 142977409. The next prime is 142977433. The reversal of 142977411 is 114779241.

It is not a de Polignac number, because 142977411 - 2¹ = 142977409 is a prime.

It is not an unprimeable number, because it can be changed into a prime (142977491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 149395 + ... + 150348.

It is an arithmetic number, because the mean of its divisors is an integer number (17535024).

Almost surely, 2^142977411 is an apocalyptic number.

142977411 is a deficient number, since it is larger than the sum of its proper divisors (67442877).

142977411 is a wasteful number, since it uses less digits than its factorization.

142977411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299802 (or 299799 counting only the distinct ones).

The product of its digits is 14112, while the sum is 36.

The square root of 142977411 is about 11957.3162122610. The cubic root of 142977411 is about 522.9046167270.

The spelling of 142977411 in words is "one hundred forty-two million, nine hundred seventy-seven thousand, four hundred eleven".