Search a number
-
+
145409295 = 3526936037
BaseRepresentation
bin10001010101011…
…00010100001111
3101010121120001110
420222230110033
5244211044140
622232343103
73413646543
oct1052542417
9333546043
10145409295
1175097179
1240844a93
1324182505
1415451a23
15cb74380
hex8aac50f

145409295 has 16 divisors (see below), whose sum is σ = 233526240. Its totient is φ = 77261184.

The previous prime is 145409291. The next prime is 145409311. The reversal of 145409295 is 592904541.

It is not a de Polignac number, because 145409295 - 22 = 145409291 is a prime.

It is a super-2 number, since 2×1454092952 = 42287726144794050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145409291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13984 + ... + 22053.

It is an arithmetic number, because the mean of its divisors is an integer number (14595390).

Almost surely, 2145409295 is an apocalyptic number.

145409295 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

145409295 is a deficient number, since it is larger than the sum of its proper divisors (88116945).

145409295 is a wasteful number, since it uses less digits than its factorization.

145409295 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36314.

The product of its (nonzero) digits is 64800, while the sum is 39.

The square root of 145409295 is about 12058.5776524431. The cubic root of 145409295 is about 525.8526371829.

The spelling of 145409295 in words is "one hundred forty-five million, four hundred nine thousand, two hundred ninety-five".

Divisors: 1 3 5 15 269 807 1345 4035 36037 108111 180185 540555 9693953 29081859 48469765 145409295