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142341501479 = 409348023231
BaseRepresentation
bin1000010010010000110…
…1101111001000100111
3111121102000122110221012
42010210031233020213
54313003411021404
6145220224212435
713166232541142
oct2044415571047
9447360573835
10142341501479
1155404080931
1223705a6a11b
1310565a08228
146c645c1059
153a8158ea6e
hex212436f227

142341501479 has 4 divisors (see below), whose sum is σ = 142689525120. Its totient is φ = 141993477840.

The previous prime is 142341501451. The next prime is 142341501527. The reversal of 142341501479 is 974105143241.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 142341501479 - 28 = 142341501223 is a prime.

It is a super-2 number, since 2×1423415014792 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142341501979) 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, 174011207 + ... + 174012024.

It is an arithmetic number, because the mean of its divisors is an integer number (35672381280).

Almost surely, 2142341501479 is an apocalyptic number.

142341501479 is a deficient number, since it is larger than the sum of its proper divisors (348023641).

142341501479 is an equidigital number, since it uses as much as digits as its factorization.

142341501479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348023640.

The product of its (nonzero) digits is 120960, while the sum is 41.

The spelling of 142341501479 in words is "one hundred forty-two billion, three hundred forty-one million, five hundred one thousand, four hundred seventy-nine".

Divisors: 1 409 348023231 142341501479