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145425111463 = 183179423873
BaseRepresentation
bin1000011101110000000…
…0110001100110100111
3111220100221000002121101
42013130000301212213
54340312312031323
6150450220500531
713335525023542
oct2073400614647
9456327002541
10145425111463
1156746758735
12242266aa747
1310937815018
147077d4d859
153bb214bdad
hex21dc0319a7

145425111463 has 4 divisors (see below), whose sum is σ = 145504537168. Its totient is φ = 145345685760.

The previous prime is 145425111439. The next prime is 145425111473. The reversal of 145425111463 is 364111524541.

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 145425111463 - 221 = 145423014311 is a prime.

It is a super-5 number, since 5×1454251114635 (a number of 57 digits) contains 55555 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145425111473) 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, 39710106 + ... + 39713767.

It is an arithmetic number, because the mean of its divisors is an integer number (36376134292).

Almost surely, 2145425111463 is an apocalyptic number.

145425111463 is a deficient number, since it is larger than the sum of its proper divisors (79425705).

145425111463 is an equidigital number, since it uses as much as digits as its factorization.

145425111463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79425704.

The product of its digits is 57600, while the sum is 37.

The spelling of 145425111463 in words is "one hundred forty-five billion, four hundred twenty-five million, one hundred eleven thousand, four hundred sixty-three".

Divisors: 1 1831 79423873 145425111463