142024571491 has 16 divisors (see below), whose sum is σ = 155754316800. Its totient is φ = 128432416000.

The previous prime is 142024571489. The next prime is 142024571501. The reversal of 142024571491 is 194175420241.

It is a cyclic number.

It is not a de Polignac number, because 142024571491 - 2¹ = 142024571489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142024571431) 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 15 ways as a sum of consecutive naturals, for example, 2413266 + ... + 2471416.

It is an arithmetic number, because the mean of its divisors is an integer number (9734644800).

Almost surely, 2^142024571491 is an apocalyptic number.

142024571491 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

142024571491 is a deficient number, since it is larger than the sum of its proper divisors (13729745309).

142024571491 is a wasteful number, since it uses less digits than its factorization.

142024571491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59330.

The product of its (nonzero) digits is 80640, while the sum is 40.

The spelling of 142024571491 in words is "one hundred forty-two billion, twenty-four million, five hundred seventy-one thousand, four hundred ninety-one".