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145531034 = 2116615047
BaseRepresentation
bin10001010110010…
…10000010011010
3101010211202001022
420223022002122
5244223443114
622235122442
73414664505
oct1053120232
9333752038
10145531034
117516a690
12408a3422
13241c5a4c
141548413c
15cb9a48e
hex8aca09a

145531034 has 8 divisors (see below), whose sum is σ = 238141728. Its totient is φ = 66150460.

The previous prime is 145531031. The next prime is 145531037. The reversal of 145531034 is 430135541.

It is an interprime number because it is at equal distance from previous prime (145531031) and next prime (145531037).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 145530994 and 145531012.

It is not an unprimeable number, because it can be changed into a prime (145531031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3307502 + ... + 3307545.

It is an arithmetic number, because the mean of its divisors is an integer number (29767716).

Almost surely, 2145531034 is an apocalyptic number.

145531034 is a deficient number, since it is larger than the sum of its proper divisors (92610694).

145531034 is a wasteful number, since it uses less digits than its factorization.

145531034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6615060.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 145531034 is about 12063.6244139148. The cubic root of 145531034 is about 525.9993470092. Note that the first 3 decimals are identical.

Adding to 145531034 its reverse (430135541), we get a palindrome (575666575).

The spelling of 145531034 in words is "one hundred forty-five million, five hundred thirty-one thousand, thirty-four".

Divisors: 1 2 11 22 6615047 13230094 72765517 145531034