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145206295 = 51313117053
BaseRepresentation
bin10001010011110…
…10110000010111
3101010020020120221
420221322300113
5244133100140
622224135211
73412142653
oct1051726027
9333206527
10145206295
1174a68703
1240767507
1324110cb0
14153dba63
15cb3414a
hex8a7ac17

145206295 has 16 divisors (see below), whose sum is σ = 189094752. Its totient is φ = 106404480.

The previous prime is 145206293. The next prime is 145206301. The reversal of 145206295 is 592602541.

It is a happy number.

145206295 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 145206295 - 21 = 145206293 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 145206295.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145206293) 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, 12 + ... + 17041.

It is an arithmetic number, because the mean of its divisors is an integer number (11818422).

Almost surely, 2145206295 is an apocalyptic number.

145206295 is a deficient number, since it is larger than the sum of its proper divisors (43888457).

145206295 is a wasteful number, since it uses less digits than its factorization.

145206295 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17202.

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 145206295 is about 12050.1574678508. The cubic root of 145206295 is about 525.6078160627.

The spelling of 145206295 in words is "one hundred forty-five million, two hundred six thousand, two hundred ninety-five".

Divisors: 1 5 13 65 131 655 1703 8515 17053 85265 221689 1108445 2233943 11169715 29041259 145206295