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145756667029 = 5339710616529
BaseRepresentation
bin1000011110111111000…
…1100011110010010101
3111221020000212212100011
42013233301203302111
54342002201321104
6150543143120221
713346662141051
oct2075761436225
9457200785304
10145756667029
11568a69252a6
12242b9743071
131098b410b4c
1470a9db8c61
153bd12e0904
hex21efc63c95

145756667029 has 16 divisors (see below), whose sum is σ = 149044011120. Its totient is φ = 142490050560.

The previous prime is 145756667027. The next prime is 145756667041. The reversal of 145756667029 is 920766657541.

It can be written as a sum of positive squares in 8 ways, for example, as 215943025 + 145540724004 = 14695^2 + 381498^2 .

It is not a de Polignac number, because 145756667029 - 21 = 145756667027 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145756667027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22321237 + ... + 22327765.

It is an arithmetic number, because the mean of its divisors is an integer number (9315250695).

Almost surely, 2145756667029 is an apocalyptic number.

It is an amenable number.

145756667029 is a deficient number, since it is larger than the sum of its proper divisors (3287344091).

145756667029 is a wasteful number, since it uses less digits than its factorization.

145756667029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8040.

The product of its (nonzero) digits is 19051200, while the sum is 58.

The spelling of 145756667029 in words is "one hundred forty-five billion, seven hundred fifty-six million, six hundred sixty-seven thousand, twenty-nine".

Divisors: 1 53 397 1061 6529 21041 56233 346037 421217 2592013 6927269 22324501 137376689 367145257 2750125793 145756667029