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145460655961 = 311467719151
BaseRepresentation
bin1000011101111000100…
…0010111011101011001
3111220110101212221111021
42013132020113131121
54340400411442321
6150453530402441
713336436114035
oct2073610273531
9456411787437
10145460655961
1156764825855
1224236590421
1310941cab87a
14707c9631c5
153bb531d941
hex21de217759

145460655961 has 4 divisors (see below), whose sum is σ = 145928375424. Its totient is φ = 144992936500.

The previous prime is 145460655953. The next prime is 145460655983. The reversal of 145460655961 is 169556064541.

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, and also an emirpimes, since its reverse is a distinct semiprime: 169556064541 = 379447377479.

It is a cyclic number.

It is not a de Polignac number, because 145460655961 - 23 = 145460655953 is a prime.

It is a super-3 number, since 3×1454606559613 (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 145460655899 and 145460655908.

It is not an unprimeable number, because it can be changed into a prime (145460655911) 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, 233859265 + ... + 233859886.

It is an arithmetic number, because the mean of its divisors is an integer number (36482093856).

Almost surely, 2145460655961 is an apocalyptic number.

It is an amenable number.

145460655961 is a deficient number, since it is larger than the sum of its proper divisors (467719463).

145460655961 is an equidigital number, since it uses as much as digits as its factorization.

145460655961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 467719462.

The product of its (nonzero) digits is 3888000, while the sum is 52.

The spelling of 145460655961 in words is "one hundred forty-five billion, four hundred sixty million, six hundred fifty-five thousand, nine hundred sixty-one".

Divisors: 1 311 467719151 145460655961