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145424524142101 = 672170515285703
BaseRepresentation
bin100001000100001101001001…
…000110100110011000010101
3201001220110010010102112111111
4201010031021012212120111
5123030113411140021401
61233143034253135021
742426401163516631
oct4104151106463025
9631813103375444
10145424524142101
114237821573a036
12143882b6a8a471
13631b620b97c89
1427ca827d0ddc1
1511c2c5b62de51
hex8443491a6615

145424524142101 has 4 divisors (see below), whose sum is σ = 147595039427872. Its totient is φ = 143254008856332.

The previous prime is 145424524142077. The next prime is 145424524142119. The reversal of 145424524142101 is 101241425424541.

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 145424524142101 - 27 = 145424524141973 is a prime.

It is a super-2 number, since 2×1454245241421012 (a number of 29 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 (145424524142501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1085257642785 + ... + 1085257642918.

It is an arithmetic number, because the mean of its divisors is an integer number (36898759856968).

Almost surely, 2145424524142101 is an apocalyptic number.

It is an amenable number.

145424524142101 is a deficient number, since it is larger than the sum of its proper divisors (2170515285771).

145424524142101 is an equidigital number, since it uses as much as digits as its factorization.

145424524142101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2170515285770.

The product of its (nonzero) digits is 204800, while the sum is 40.

Adding to 145424524142101 its reverse (101241425424541), we get a palindrome (246665949566642).

The spelling of 145424524142101 in words is "one hundred forty-five trillion, four hundred twenty-four billion, five hundred twenty-four million, one hundred forty-two thousand, one hundred one".

Divisors: 1 67 2170515285703 145424524142101